APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

Hardison, O. B. Practical Rhetoric. New York: Appleton-Century-Crofts, 1966.

MLA (9th ed.) Zitazioa

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