Cita APA (7th ed.)

Gray, A. (1926). Electrical machine design: The design and specification of direct and alternating current machinery (2nd ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Gray, Alexander. Electrical Machine Design: The Design and Specification of Direct and Alternating Current Machinery. 2nd ed. New York: McGraw-Hill, 1926.

Cita MLA (9th ed.)

Gray, Alexander. Electrical Machine Design: The Design and Specification of Direct and Alternating Current Machinery. 2nd ed. McGraw-Hill, 1926.