Cita APA (7th ed.)

Ogg, F. A., & Ray, P. O. (1943). Essentials of American government: The national government by Frederic Agustin Ogg and P. Orman Ray (4th ed., throughtly rev.). Appleton-Century.

Cita Chicago (17th ed.)

Ogg, Frederic Agustin, i P. Orman Ray. Essentials of American Government: The National Government by Frederic Agustin Ogg and P. Orman Ray. 4th ed., throughtly rev. New York: Appleton-Century, 1943.

Cita MLA (9th ed.)

Ogg, Frederic Agustin, i P. Orman Ray. Essentials of American Government: The National Government by Frederic Agustin Ogg and P. Orman Ray. 4th ed., throughtly rev. Appleton-Century, 1943.