APA (7th ed.) Citation

Rummel. (1977). Understanding conflict and war. Sage Publications distributed by Halsted Press.

Chicago Style (17th ed.) Citation

Rummel. Understanding Conflict and War. Beverly Hills, Calif. New York: Sage Publications distributed by Halsted Press, 1977.

MLA (8th ed.) Citation

Rummel. Understanding Conflict and War. Sage Publications distributed by Halsted Press, 1977.