Cita APA (7th ed.)

Heumann, G. W. (1961). Magnetic control of industrial motors. Wiley.

Cita Chicago (17th ed.)

Heumann, Gerhart W. Magnetic Control of Industrial Motors. New York: Wiley, 1961.

Cita MLA (8th ed.)

Heumann, Gerhart W. Magnetic Control of Industrial Motors. Wiley, 1961.