APA (7th ed.) Citation

Deutsch, H. C., & Showalter, D. E. (1997). What if?: Strategic alternatives of WWII. The Emperor's Press.

Chicago Style (17th ed.) Citation

Deutsch, Harold C., and Dennis E. Showalter. What If?: Strategic Alternatives of WWII. Chicago, Ill.: The Emperor's Press, 1997.

MLA (9th ed.) Citation

Deutsch, Harold C., and Dennis E. Showalter. What If?: Strategic Alternatives of WWII. The Emperor's Press, 1997.