APA (7th ed.) Citation

Ryan, T. F. (1913). The United States Army as a career. [War Department, The Adjutant General's Office].

Chicago Style (17th ed.) Citation

Ryan, Thomas Fred. The United States Army as a Career. [Washington D.C.]: [War Department, The Adjutant General's Office], 1913.

MLA (9th ed.) Citation

Ryan, Thomas Fred. The United States Army as a Career. [War Department, The Adjutant General's Office], 1913.