APA (7th ed.) Citation

United States. Adjutant-General's Office. (1939). Army extension courses: Transportation, rail. [s.n.].

Chicago Style (17th ed.) Citation

United States. Adjutant-General's Office. Army Extension Courses: Transportation, Rail. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Adjutant-General's Office. Army Extension Courses: Transportation, Rail. [s.n.], 1939.