APA (7th ed.) Citation

United States. Public Health Service. (1941). Public health engineering abstracts. v. XXI, 1941 [title page and index]. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Public Health Service. Public Health Engineering Abstracts. V. XXI, 1941 [title Page and Index]. [Washington]: [publisher not identified], 1941.

MLA (9th ed.) Citation

United States. Public Health Service. Public Health Engineering Abstracts. V. XXI, 1941 [title Page and Index]. [publisher not identified], 1941.