APA (7th ed.) Citation

Knoop, A. R. (1965). Fundamentals of relay circuit design. Reinhold Publishing.

Chicago Style (17th ed.) Citation

Knoop, Alan R. Fundamentals of Relay Circuit Design. New York: Reinhold Publishing, 1965.

MLA (9th ed.) Citation

Knoop, Alan R. Fundamentals of Relay Circuit Design. Reinhold Publishing, 1965.