APA (7th ed.) Citation

Conn, Fairchild, & Engelman. (1964). The Western Hemisphere: Guarding the United States and its outposts. Office of the Chief Military History Department Of The Army.

Chicago Style (17th ed.) Citation

Conn, Fairchild, and Engelman. The Western Hemisphere: Guarding the United States and Its Outposts. Washington: Office of the Chief Military History Department Of The Army, 1964.

MLA (8th ed.) Citation

Conn, et al. The Western Hemisphere: Guarding the United States and Its Outposts. Office of the Chief Military History Department Of The Army, 1964.