APA (7th ed.) Citation

Gensler, H. J. (2010). Introduction to logic (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

Gensler, Harry J. Introduction to Logic. 2nd ed. London ; New York: Routledge, 2010.

MLA (9th ed.) Citation

Gensler, Harry J. Introduction to Logic. 2nd ed. Routledge, 2010.