APA (7th ed.) Citation

Walker, P. (1978). Direct current motors: Characteristics & applications. Tab Books.

Chicago Style (17th ed.) Citation

Walker, Peter. Direct Current Motors: Characteristics & Applications. Blue Ridge Summit, Pa.: Tab Books, 1978.

MLA (9th ed.) Citation

Walker, Peter. Direct Current Motors: Characteristics & Applications. Tab Books, 1978.

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