APA (7th ed.) Citation

D'Angelo, F. J. (1975). A conceptual theory of rhetoric. Winthrop Publishers.

Chicago Style (17th ed.) Citation

D'Angelo, Frank J. A Conceptual Theory of Rhetoric. Cambridge, Mass.: Winthrop Publishers, 1975.

MLA (9th ed.) Citation

D'Angelo, Frank J. A Conceptual Theory of Rhetoric. Winthrop Publishers, 1975.