Examples
Worked examples
- Is an instance
A Chicago-style monograph's bibliography lists every source the author consulted while researching the book, including background reading that never surfaces as a footnote.
- Is an instance
An annotated bibliography submitted as a doctoral qualifying-exam deliverable, with a short note under each of 40 sources describing its relevance to the dissertation topic.
Counter-examples
Looks similar, but isn't
- Not an instance
A journal manuscript's "References" section, built under ICMJE-aligned author guidelines and restricted strictly to in-text-cited works, is a reference list, not a bibliography in the strict sense, even though it is often called one informally.
- Not an instance
A researcher's unfiled Zotero or EndNote library is not itself a bibliography; it becomes one only once a subset is selected, formatted to a specific style, and attached to a specific work.
Editorial commentary
In scholarly writing, a bibliography is a systematic list of the sources an author consulted or judged relevant while researching a work, presented in a standardized citation format. It is a broader and older category than the reference list or works-cited list required by most modern journal and manuscript templates: a bibliography can include material the author read and drew background from but never directly cited in the text, while a reference list or works-cited page is restricted to sources actually cited.
Bibliography vs. reference list vs. works cited
The three terms are often used interchangeably in casual writing, but style guides distinguish them by scope, not just by name:
- Reference list (APA style, and Chicago’s author-date system) — only sources cited in-text, arranged alphabetically by author.
- Works cited (MLA style) — the same cited-only scope as a reference list, under MLA’s required heading.
- Bibliography (the Chicago notes-bibliography system, and the general sense used in monographs and literature reviews) — can include everything consulted during research, whether or not it appears as an in-text citation or footnote. In Chicago’s notes-bibliography system specifically, the bibliography is a companion list that accompanies footnote or endnote citations rather than replacing them.
APA’s own style guidance is explicit that “reference list” and “bibliography” are not interchangeable terms for APA-formatted work, precisely because of this cited-vs-consulted distinction.
Where it shows up in scholarly writing
Because journal author guidelines overwhelmingly require a cited-only reference list rather than a bibliography, most researchers encounter the broader bibliography sense in three contexts:
- Literature reviews and monographs, where demonstrating the breadth of engagement with a field — not just what ends up quoted — is part of the point. See How to Write a Literature Review for a Research Paper and the related comparison of literature review vs. systematic review vs. scoping review.
- Grant and manuscript submission, where a bibliography (sometimes required as a separate attachment, distinct from in-text references) documents prior work and preliminary studies a funder or editor may want to see even if it isn’t cited line-by-line. See Manuscript Submission Process: A Step-by-Step Guide.
- Bibliographic research itself (analytical, descriptive, and enumerative bibliography), a specialized discipline concerned with the physical and textual history of books, distinct from the compiled source-list sense used in most research writing.
Annotated bibliographies
An annotated bibliography adds a short descriptive or evaluative note (typically 100–200 words) under each entry, summarizing the source’s argument, methodology, or relevance to the author’s project. It is commonly assigned as a standalone research-planning exercise or as a preliminary step before drafting a literature review, and follows the same cited-vs-consulted logic as an ordinary bibliography: entries can include sources judged relevant during scoping even if they are not ultimately cited in the finished work.
Examples
- A Chicago-style monograph’s bibliography lists every source the author consulted while researching the book, including background reading that never surfaces as a footnote — this is a bibliography in the strict sense.
- An annotated bibliography submitted as a doctoral qualifying-exam deliverable, with a one-paragraph note under each of 40 sources describing its relevance to the dissertation topic.
Counter-examples
- A journal manuscript’s “References” section, built under ICMJE-aligned author guidelines and restricted strictly to in-text-cited works, is a reference list, not a bibliography in the strict sense — even though authors and editors frequently call it a bibliography informally.
- A researcher’s personal citation-manager library (e.g., an unfiled Zotero or EndNote collection) is not itself a bibliography; it becomes one only once a subset is selected, formatted to a specific style, and attached to a specific work.
Related terms
Machine-readable encodings
Use in your systems
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vocab-term="Bibliography"
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