APA (7th ed.) Citation

Toulmin, S., Tanner, W. E., & Seibt, B. K. (1991). The Toulmin method: Exploration and controversy : a festschrift in honor of Stephen E. Toulmin. Liberal Arts Press.

Chicago Style (17th ed.) Citation

Toulmin, Stephen, William Edward Tanner, and Betty Kay Seibt. The Toulmin Method: Exploration and Controversy : A Festschrift in Honor of Stephen E. Toulmin. Arlington, Tex.: Liberal Arts Press, 1991.

MLA (9th ed.) Citation

Toulmin, Stephen, et al. The Toulmin Method: Exploration and Controversy : A Festschrift in Honor of Stephen E. Toulmin. Liberal Arts Press, 1991.