Cita APA (7a ed.)

Carr, R. K., Bernstein, M. H., & Murphy, W. (1971). Essentials of American democracy (5th ed.). Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Carr, Robert Kenneth, Marver H. Bernstein, y Walter Murphy. Essentials of American Democracy. 5th ed. New York: Holt, Rinehart and Winston, 1971.

Cita MLA (9a ed.)

Carr, Robert Kenneth, et al. Essentials of American Democracy. 5th ed. Holt, Rinehart and Winston, 1971.