APA (7th ed.) Citation

Gensler, H. J. (2002). Introduction to logic. Routledge.

Chicago Style (17th ed.) Citation

Gensler, Harry J. Introduction to Logic. London [etc.]: Routledge, 2002.

MLA (9th ed.) Citation

Gensler, Harry J. Introduction to Logic. Routledge, 2002.

Warning: These citations may not always be 100% accurate.