Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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