APA (7th ed.) Citation

Cohen, D. I. A. (1991). Introduction to computer theory (Rev. ed.). Wiley.

Chicago Style (17th ed.) Citation

Cohen, Daniel I. A. Introduction to Computer Theory. Rev. ed. New York: Wiley, 1991.

MLA (9th ed.) Citation

Cohen, Daniel I. A. Introduction to Computer Theory. Rev. ed. Wiley, 1991.