APA (7th ed.) Citation

Churchill, R. P. (1990). Logic: An introduction (2. ed.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Churchill, Robert P. Logic: An Introduction. 2. ed. New York: St. Martin's Press, 1990.

MLA (9th ed.) Citation

Churchill, Robert P. Logic: An Introduction. 2. ed. St. Martin's Press, 1990.