Cita APA

Egger, R. (1972). The President of the United States (2d ed.). McGraw-Hill.

Citación estilo Chicago

Egger, Rowland. The President of the United States. 2d ed. New York: McGraw-Hill, 1972.

Cita MLA

Egger, Rowland. The President of the United States. 2d ed. McGraw-Hill, 1972.