APA (7th ed.) Citation

United States. War Department. War Plans Division. (1920). Machine gun service regulations: Section 49. Technique of machine gun fire; chapter VI, fire control tables (Browning). GPO.

Chicago Style (17th ed.) Citation

United States. War Department. War Plans Division. Machine Gun Service Regulations: Section 49. Technique of Machine Gun Fire; Chapter VI, Fire Control Tables (Browning). [Washington]: GPO, 1920.

MLA (9th ed.) Citation

United States. War Department. War Plans Division. Machine Gun Service Regulations: Section 49. Technique of Machine Gun Fire; Chapter VI, Fire Control Tables (Browning). GPO, 1920.