APA (7th ed.) Citation

Rees, L., Stalin, I. V., & Hitler, A. (1999). War of the century: When Hitler fought Stalin. New Press.

Chicago Style (17th ed.) Citation

Rees, Laurence, Iosiv V. Stalin, and Adolf Hitler. War of the Century: When Hitler Fought Stalin. New York: New Press, 1999.

MLA (8th ed.) Citation

Rees, Laurence, et al. War of the Century: When Hitler Fought Stalin. New Press, 1999.