APA (7th ed.) Citation

Humphries. (1990). Motors and controls. Macmillan.

Chicago Style (17th ed.) Citation

Humphries. Motors and Controls. New York: Macmillan, 1990.

MLA (9th ed.) Citation

Humphries. Motors and Controls. Macmillan, 1990.

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