APA (7th ed.) Citation

Roberts, G. (1989). The unholy alliance: Stalin's pact with Hitler. Indiana Univ. Press.

Chicago Style (17th ed.) Citation

Roberts, Geoffrey. The Unholy Alliance: Stalin's Pact with Hitler. Bloomington u.a: Indiana Univ. Press, 1989.

MLA (9th ed.) Citation

Roberts, Geoffrey. The Unholy Alliance: Stalin's Pact with Hitler. Indiana Univ. Press, 1989.