APA Edition Citation

Koening, H. E., & Blackwell, W. A. (1961). Electromechnical system theory.

Chicago Edition Citation

Koening, Herman E., and William A. Blackwell. Electromechnical System Theory. 1961.

MLA Edition Citation

Koening, Herman E., and William A. Blackwell. Electromechnical System Theory. 1961.

Warning: These citations may not always be 100% accurate.