APA Style

Spiegel, S, L., Waltz, K, N. (1971.). Conflict in world politics / Kenneth N. Waltz and Steven L. Spiegel . : Winthrop Publishers..

MLA Style

Spiegel, Steven, L.., Waltz, Kenneth, N.. "Conflict in world politics / Kenneth N. Waltz and Steven L. Spiegel". : Winthrop Publishers., 1971.. หนังสือ (Book).