APA (7th ed.) Citation

United States. Public Health Service. (1938). Public health engineering abstracts, Vol. 18, Apr. 9, 1938. [s.n.].

Chicago Style (17th ed.) Citation

United States. Public Health Service. Public Health Engineering Abstracts, Vol. 18, Apr. 9, 1938. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. Public Health Service. Public Health Engineering Abstracts, Vol. 18, Apr. 9, 1938. [s.n.], 1938.