Corwin, E. S. (1957). The President, office and powers, 1787-1957: History and analysis of practice and opinion (4th rev. ed.). New York University Press.
Citação do estilo Chicago (17ª ed.)Corwin, Edward Samuel. The President, Office and Powers, 1787-1957: History and Analysis of Practice and Opinion. 4th rev. ed. New York: New York University Press, 1957.
Citação MLA (9ª ed.)Corwin, Edward Samuel. The President, Office and Powers, 1787-1957: History and Analysis of Practice and Opinion. 4th rev. ed. New York University Press, 1957.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.