APA (7th ed.) Citation

Keegan, J. (1971). Opening moves: August 1914. [Ballantine Books].

Chicago Style (17th ed.) Citation

Keegan, John. Opening Moves: August 1914. [New York]: [Ballantine Books], 1971.

MLA (9th ed.) Citation

Keegan, John. Opening Moves: August 1914. [Ballantine Books], 1971.

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