APA (7th ed.) Citation

Walton, D. N. (2008). Informal logic: A pragmatic approach (2. ed.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Walton, Douglas N. Informal Logic: A Pragmatic Approach. 2. ed. Cambridge [u.a.]: Cambridge Univ. Press, 2008.

MLA (9th ed.) Citation

Walton, Douglas N. Informal Logic: A Pragmatic Approach. 2. ed. Cambridge Univ. Press, 2008.