Learn & Resources

Guides to 10,640 citation styles and 46 kinds of source, and help with using Citation Creation.

An open handbook with three orange ribbon bookmarks, one line highlighted on the left page and one detail ringed on the right.

Citation style guides

One journal article, as six of the most-used styles format it. Choose a style to read its guide.

All 10,640 styles
  • APA style guide

    APA 7th edition

    Watson, J. D., & Crick, F. H. C. (1953). Molecular structure of nucleic acids: A structure for deoxyribose nucleic acid. Nature, 171(4356), 737–738. https://doi.org/10.1038/171737a0
  • MLA style guide

    MLA 9th edition

    Watson, James D., and Francis H. C. Crick. “Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid.” Nature, vol. 171, no. 4356, Apr. 1953, pp. 737-38, https://doi.org/10.1038/171737a0.
  • Chicago style guide

    Chicago 18th edition (notes and bibliography)

    Watson, James D., and Francis H. C. Crick. “Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid.” Nature 171, no. 4356 (1953): 737–38. https://doi.org/10.1038/171737a0.
  • Harvard style guide

    Harvard (Cite Them Right 12th edition)

    Watson, J.D. and Crick, F.H.C. (1953) ‘Molecular structure of nucleic acids: a structure for deoxyribose nucleic acid’, Nature, 171(4356), pp. 737–738. Available at: https://doi.org/10.1038/171737a0.
  • IEEE style guide

    IEEE Reference Guide, 2025

    [1]
    J. D. Watson and F. H. C. Crick, “Molecular structure of nucleic acids: A structure for deoxyribose nucleic acid,” Nature, vol. 171, no. 4356, pp. 737–738, Apr. 1953, doi: 10.1038/171737a0.
  • Vancouver style guide

    Vancouver (NLM Citing Medicine)

    1.
    Watson JD, Crick FHC. Molecular structure of nucleic acids: a structure for deoxyribose nucleic acid. Nature. 1953 Apr 25;171(4356):737-8.

Source type guides

What to collect for each kind of source, with an example in every major style.

All source types

Using Citation Creation

  • Getting started

    Add a source by URL, DOI or ISBN, pick a style, and check the details before you export.

  • Features

    Projects, source lookup, link checking, and exports to Word, BibTeX, RIS and CSL-JSON.

  • Formatting support

    What the formatter handles well, and the cases to check by hand before you submit.

  • FAQ

    Common questions about styles, sources, exports, and how your data is handled.