APA (7th ed.) Citation

Boast, W. B. (1950). Principles of electric and magnetic circuits. Harper.

Chicago Style (17th ed.) Citation

Boast, Warren Benefield. Principles of Electric and Magnetic Circuits. New York: Harper, 1950.

MLA (9th ed.) Citation

Boast, Warren Benefield. Principles of Electric and Magnetic Circuits. Harper, 1950.