Cita APA (7a ed.)

Ray, J. L. (1990). Global politics (4th ed.). Houghton Mifflin Co..

Cita Chicago Style (17a ed.)

Ray, James Lee. Global Politics. 4th ed. Boston: Houghton Mifflin Co., 1990.

Cita MLA (9a ed.)

Ray, James Lee. Global Politics. 4th ed. Houghton Mifflin Co., 1990.