Willard, C. A. (1989). A theory of argumentation. University of Alabama Press.
Chicago Style (17th ed.) CitationWillard, Charles Arthur. A Theory of Argumentation. Tuscaloosa: University of Alabama Press, 1989.
MLA (9th ed.) CitationWillard, Charles Arthur. A Theory of Argumentation. University of Alabama Press, 1989.
Warning: These citations may not always be 100% accurate.