APA (7th ed.) Citation

United States. Public Health Service. (1940). It Can Happen to You, Syphilis. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Public Health Service. It Can Happen to You, Syphilis. [Washington]: [publisher not identified], 1940.

MLA (9th ed.) Citation

United States. Public Health Service. It Can Happen to You, Syphilis. [publisher not identified], 1940.

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