APA (7th ed.) Citation

Humphreys, J. F. (1996). A course in group theory. Oxford University Press.

Chicago Style (17th ed.) Citation

Humphreys, Johan F. A Course in Group Theory. New York: Oxford University Press, 1996.

MLA (9th ed.) Citation

Humphreys, Johan F. A Course in Group Theory. Oxford University Press, 1996.