APA (7th ed.) Citation

Conroy, R. (2013). 1920: America's great war. Baen.

Chicago Style (17th ed.) Citation

Conroy, Robert. 1920: America's Great War. Riverdale, NY: Baen, 2013.

MLA (9th ed.) Citation

Conroy, Robert. 1920: America's Great War. Baen, 2013.

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