Cita APA (7th ed.)

Gage, J. T. (1991). The shape of reason: Argumentative writing in college (2a. ed.). MacMillan.

Cita Chicago (17th ed.)

Gage, John T. The Shape of Reason: Argumentative Writing in College. 2a. ed. Nueva York: MacMillan, 1991.

Cita MLA (9th ed.)

Gage, John T. The Shape of Reason: Argumentative Writing in College. 2a. ed. MacMillan, 1991.