APA (7th ed.) Citation

Koenig, H. E., & Blackwell, W. A. (1961). Electromechanical system theory. McGraw-Hill.

Chicago Style (17th ed.) Citation

Koenig, Herman E., and William A. Blackwell. Electromechanical System Theory. New York: McGraw-Hill, 1961.

MLA (9th ed.) Citation

Koenig, Herman E., and William A. Blackwell. Electromechanical System Theory. McGraw-Hill, 1961.