Cita APA (7a ed.)

Hardison, O. (1966). Practical rhetoric. Apleton-Century-Crofts.

Cita Chicago Style (17a ed.)

Hardison, O.B. Practical Rhetoric. New York, Estados Unidos: Apleton-Century-Crofts, 1966.

Cita MLA (9a ed.)

Hardison, O.B. Practical Rhetoric. Apleton-Century-Crofts, 1966.