Cita APA (7a ed.)

(1980). Introduction to logic (1a. ed.). D. Van Nostrand Company.

Cita Chicago Style (17a ed.)

Introduction to Logic. 1a. ed. New York: D. Van Nostrand Company, 1980.

Cita MLA (8a ed.)

Introduction to Logic. 1a. ed. D. Van Nostrand Company, 1980.