APA (7th ed.) Citation

United States. Militia Bureau. (1931). Completion of Army extension courses prior to admission to Army Service Schools. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Militia Bureau. Completion of Army Extension Courses Prior to Admission to Army Service Schools. Washington: [publisher not identified], 1931.

MLA (9th ed.) Citation

United States. Militia Bureau. Completion of Army Extension Courses Prior to Admission to Army Service Schools. [publisher not identified], 1931.