Cita APA (7a ed.)

Ogg, F. A. 1., & Ray, P. O. (1951). Introduction to American government (10th ed.). Appleton-Century-Crofts.

Cita Chicago Style (17a ed.)

Ogg, Frederick Austin 1878, y Perley Orman Ray. Introduction to American Government. 10th ed. New York: Appleton-Century-Crofts, 1951.

Cita MLA (9a ed.)

Ogg, Frederick Austin 1878, y Perley Orman Ray. Introduction to American Government. 10th ed. Appleton-Century-Crofts, 1951.