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Free ACS Style (American Chemical Society) Citation Generator

ACS style supports superscript numbers, italicized numbers in parentheses, or author-date citations, with bolded publication years in chemical bibliographies.

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Reference List / Bibliography Entry
In-Text Citation (Parenthetical or Numeric)

Core Formatting Rules (ACS)

Standards derived directly from The ACS Guide to Scholarly Communication.

Bold Publication Years

The year of publication is formatted in bold: 2024.

CASSI Journal Abbreviations

Periodical titles abbreviated per Chemical Abstracts Service Source Index.

Superscript or Parentheses

Commonly cited as superscript¹ or italicized numbers in parentheses (1).

Omit Article Titles (Optional)

Many ACS journals omit article titles in references to save space.

Worked ACS Example: Journal Article

Reference list entry and corresponding in-text citation correctly formatted in ACS.

Reference List Entry
Fischer, A. H.; Zhao, Y. Stereoselective synthesis via organocatalytic functionalization. J. Am. Chem. Soc. 2024, 146 (8), 5420–5431.
In-Text Citation
The catalytic conversion pathway was determined by NMR spectroscopy.¹

Disciplines & Target Fields

Academic subjects and publications that require ACS formatting.

ChemistryChemical EngineeringBiochemistryMaterials Science

Compare with Other Citation Styles

Switch between style manuals to see different in-text patterns and bibliography rules.

APA 7th Edition (APA) MLA 9th Edition (MLA) Chicago 17th Edition (Notes & Bibliography) (Chicago) Harvard Referencing System (Harvard) IEEE Style (IEEE) Vancouver Style (Vancouver) AMA Manual of Style (AMA) CSE Style (Council of Science Editors) (CSE) ASA Style (American Sociological Association) (ASA) The Bluebook: A Uniform System of Citation (Bluebook) Turabian 9th Edition (Turabian) APSA Style (American Political Science Association) (APSA) NLM Style (National Library of Medicine) (NLM) ASME Style (American Society of Mechanical Engineers) (ASME)

Frequently Asked Questions

What are the golden rules of ACS citation formatting?

Bold Publication Years: The year of publication is formatted in bold: 2024. CASSI Journal Abbreviations: Periodical titles abbreviated per Chemical Abstracts Service Source Index. Superscript or Parentheses: Commonly cited as superscript¹ or italicized numbers in parentheses (1). Omit Article Titles (Optional): Many ACS journals omit article titles in references to save space.

Which academic fields use ACS?

ACS Style (American Chemical Society) is primarily used across Chemistry, Chemical Engineering, Biochemistry, Materials Science.

What official manual defines ACS rules?

Official guidelines and standards are documented in "The ACS Guide to Scholarly Communication".

How do I generate and copy a citation with this tool?

Select your source type (journal, book, website, etc.), fill in the metadata fields, and click "Copy Reference" or "Copy In-Text". It runs 100% in your browser without tracking.

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