APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.