APA (7th ed.) Citation

Sefton, L. B. (1920). Estimation of nitrates and nitrites in battery acid. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Sefton, L. B. Estimation of Nitrates and Nitrites in Battery Acid. [Washington?]: U.S. Government Printing Office, 1920.

MLA (9th ed.) Citation

Sefton, L. B. Estimation of Nitrates and Nitrites in Battery Acid. U.S. Government Printing Office, 1920.