APA (7th ed.) Citation

Willard, C. A. (1989). A theory of argumentation. University of Alabama Press.

Chicago Style (17th ed.) Citation

Willard, Charles Arthur. A Theory of Argumentation. Tuscaloosa: University of Alabama Press, 1989.

MLA (9th ed.) Citation

Willard, Charles Arthur. A Theory of Argumentation. University of Alabama Press, 1989.

Warning: These citations may not always be 100% accurate.