APA (7th ed.) Citation

Fogelin, R. J. (1982). Understanding arguments: An introd. to informal logic (2. ed.). Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Fogelin, Robert J. Understanding Arguments: An Introd. to Informal Logic. 2. ed. New York u.a: Harcourt Brace Jovanovich, 1982.

MLA (9th ed.) Citation

Fogelin, Robert J. Understanding Arguments: An Introd. to Informal Logic. 2. ed. Harcourt Brace Jovanovich, 1982.