APA (7th ed.) Citation

United States. Adjutant-General's Office. (1934). Army extension courses: Machine guns. [s.n.].

Chicago Style (17th ed.) Citation

United States. Adjutant-General's Office. Army Extension Courses: Machine Guns. [Washington]: [s.n.], 1934.

MLA (9th ed.) Citation

United States. Adjutant-General's Office. Army Extension Courses: Machine Guns. [s.n.], 1934.

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