Cita APA (7a ed.)

Salmon, M. H., & Fogelin, R. J. (1984). Introduction to logic and critical thinking. Harcourt Brace Jovanovich.

Cita Chicago Style (17a ed.)

Salmon, Merrilee H., y Robert J. Fogelin. Introduction to Logic and Critical Thinking. San Diego: Harcourt Brace Jovanovich, 1984.

Cita MLA (9a ed.)

Salmon, Merrilee H., y Robert J. Fogelin. Introduction to Logic and Critical Thinking. Harcourt Brace Jovanovich, 1984.