APA (7th ed.) Citation

United States. Office of Education. (1938). Training for police service. [s.n.].

Chicago Style (17th ed.) Citation

United States. Office of Education. Training for Police Service. [Washington]: [s.n.], 1938.

MLA (9th ed.) Citation

United States. Office of Education. Training for Police Service. [s.n.], 1938.

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