APA (7th ed.) Citation

Say, M. G. (1976). Alternating current machines (4th ed.). Pitman.

Chicago Style (17th ed.) Citation

Say, M. G. Alternating Current Machines. 4th ed. London: Pitman, 1976.

MLA (9th ed.) Citation

Say, M. G. Alternating Current Machines. 4th ed. Pitman, 1976.