APA
Fitzgerald, Charles Kingsley & Stephen D Ullmans. (1985). Electric Machinery. New York: MGH.
Chicago
Fitzgerald, Charles Kingsley and Stephen D Ullmans. 1985. Electric Machinery. New York: MGH.
Harvard
Fitzgerald, Charles Kingsley and Stephen D Ullmans. (1985). Electric Machinery. New York: MGH.
MLA
Fitzgerald, Charles Kingsley and Stephen D Ullmans. Electric Machinery. New York: MGH. 1985.