Cita APA (7th ed.)

Corwin, E. S. (1957). The President, office and powers, 1787-1948: History and analysis of practice and opinion (4th rev. ed.). New York University Press.

Cita Chicago (17th ed.)

Corwin, Edward Samuel. The President, Office and Powers, 1787-1948: History and Analysis of Practice and Opinion. 4th rev. ed. New York: New York University Press, 1957.

Cita MLA (9th ed.)

Corwin, Edward Samuel. The President, Office and Powers, 1787-1948: History and Analysis of Practice and Opinion. 4th rev. ed. New York University Press, 1957.