Cita APA (7th ed.)

Covino, W. A., & Jolliffe, D. A. (1995). Rhetoric: Concepts, definitions, boundaries. Allyn and Bacon.

Cita Chicago (17th ed.)

Covino, William A., i David A. Jolliffe. Rhetoric: Concepts, Definitions, Boundaries. Boston: Allyn and Bacon, 1995.

Cita MLA (9th ed.)

Covino, William A., i David A. Jolliffe. Rhetoric: Concepts, Definitions, Boundaries. Allyn and Bacon, 1995.