APA (7th ed.) Citation

Fogelin, R. J. (1987). Understanding arguments: An introd. to informal logic (3. ed.). Harcourt, Brace, Jovanovich.

Chicago Style (17th ed.) Citation

Fogelin, Robert J. Understanding Arguments: An Introd. to Informal Logic. 3. ed. San Diego u.a: Harcourt, Brace, Jovanovich, 1987.

MLA (9th ed.) Citation

Fogelin, Robert J. Understanding Arguments: An Introd. to Informal Logic. 3. ed. Harcourt, Brace, Jovanovich, 1987.