MLA

Gray, Paul Edward, and Campbell Leach Searle. Electronic Principles : Physics, Models, and Circuits. New York: Wiley, 1969.

APA

Gray, P. Edward, & Searle, C. Leach. (1969). Electronic principles : physics, models, and circuits. New York: Wiley.

Chicago

Gray, Paul Edward, and Campbell Leach Searle. Electronic Principles: Physics, Models, and Circuits. New York: Wiley, 1969.