APA (7th ed.) Citation

United States. Public Health Service. (1941). The United States Public Health Service, Its History and Brief General Outline of Its Activities. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Public Health Service. The United States Public Health Service, Its History and Brief General Outline of Its Activities. [Washington]: [publisher not identified], 1941.

MLA (9th ed.) Citation

United States. Public Health Service. The United States Public Health Service, Its History and Brief General Outline of Its Activities. [publisher not identified], 1941.