APA (7th ed.) Citation

Forbes, G. (1994). Modern Logic: A Text in Elementary Symbolic Logic. Oxford University Press.

Chicago Style (17th ed.) Citation

Forbes, Graeme. Modern Logic: A Text in Elementary Symbolic Logic. New York: Oxford University Press, 1994.

MLA (9th ed.) Citation

Forbes, Graeme. Modern Logic: A Text in Elementary Symbolic Logic. Oxford University Press, 1994.