APA (7th ed.) Citation

Gates, R. M. (2014). Duty: Memoirs of a Secretary at war. WH Allen.

Chicago Style (17th ed.) Citation

Gates, Robert M. Duty: Memoirs of a Secretary at War. London: WH Allen, 2014.

MLA (9th ed.) Citation

Gates, Robert M. Duty: Memoirs of a Secretary at War. WH Allen, 2014.

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