APA (7th ed.) Citation

Walton, D. N. (1989). Informal logic: A handbook for critical argumentation. Cambridge University Press.

Chicago Style (17th ed.) Citation

Walton, Douglas N. Informal Logic: A Handbook for Critical Argumentation. New York, NY, USA: Cambridge University Press, 1989.

MLA (8th ed.) Citation

Walton, Douglas N. Informal Logic: A Handbook for Critical Argumentation. Cambridge University Press, 1989.