APA
Fitzgerald A. E., Kingsley C. & Kusko A. (1971). Electric machinery. New York: McGraw-Hill.
Chicago
Fitzgerald A E, Kingsley Charles and Kusko Alexander. 1971. Electric machinery. New York: McGraw-Hill.
Harvard
Fitzgerald A. E., Kingsley C. and Kusko A. (1971). Electric machinery. New York: McGraw-Hill.
MLA
Fitzgerald A E, Kingsley Charles and Kusko Alexander. Electric machinery. New York: McGraw-Hill. 1971.