APA (7th ed.) Citation

United States. Bureau of Chemistry. (1921). Index to Service and Regulatory Announcements 1 to 24. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Chemistry. Index to Service and Regulatory Announcements 1 to 24. Washington: U.S. GPO, 1921.

MLA (9th ed.) Citation

United States. Bureau of Chemistry. Index to Service and Regulatory Announcements 1 to 24. U.S. GPO, 1921.

Warning: These citations may not always be 100% accurate.