APA (7th ed.) Citation

Heumann, G. W. (1947). Magnetic control of industrial motors. Wiley [u.a.].

Chicago Style (17th ed.) Citation

Heumann, Gerhart W. Magnetic Control of Industrial Motors. New York [u.a.]: Wiley [u.a.], 1947.

MLA (9th ed.) Citation

Heumann, Gerhart W. Magnetic Control of Industrial Motors. Wiley [u.a.], 1947.