Cita APA (7a ed.)
Carter, G. M., Herz, J. H., & Ranney, J. C. (1967). Major foreign powers (5th ed.). Harcourt Brace Jovanovich.
Cita Chicago Style (17a ed.)
Carter, Gwendolen Margaret, John H. Herz, y John C. Ranney. Major Foreign Powers. 5th ed. New York: Harcourt Brace Jovanovich, 1967.
Cita MLA (9a ed.)
Carter, Gwendolen Margaret, et al. Major Foreign Powers. 5th ed. Harcourt Brace Jovanovich, 1967.
Precaución: Estas citas no son 100% exactas.