APA Style

Kegley, C, W, J., Wittkopf, E, R. (2001). World Politics : Trend and Transformation. (8th ed.). Belmont, CA.: Thomson Wadsworth.

MLA Style

Kegley, Charles, W.,, Jr.., Wittkopf, Eugene, R.. "World Politics : Trend and Transformation.". 8th ed. Belmont, CA.: Thomson Wadsworth, 2001. หนังสือ (Book).