Proceedings of the National Academy of Sciences of the United States of America

Science

Every example is a real source, checked where it was published. Check the finer points against the guide your course or journal uses. Review formatting support and known limitations.

Example Citations

1.
World Health Organization, Climate change. (2023). Available at: https://www.who.int/news-room/fact-sheets/detail/climate-change-and-health [Accessed 15 October 2026].
In-text (1)

Numbered by order of appearance in your document.

1.
H. Lee, To Kill a Mockingbird (J. B. Lippincott, 1960).
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1.
J. D. Watson, F. H. C. Crick, Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid. Nature 171, 737–738 (1953).
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1.
J. N. Wilford, Men Walk on Moon. The New York Times 1 (1969).
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Quick Facts

Full Name:
Proceedings of the National Academy of Sciences of the United States of America
Citation Format:
Numeric
Style Class:
In-Text Citations
Fields:
Science