APA (7th ed.) Citation

Gates, R. M. (2014). Duty: Memoirs of a secretary at war.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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