APA (7th ed.) Citation

Joel, A. E. (1976). Electronic switching: Central office systems of the world. IEEE Press.

Chicago Style (17th ed.) Citation

Joel, Amos E. Electronic Switching: Central Office Systems of the World. New York: IEEE Press, 1976.

MLA (8th ed.) Citation

Joel, Amos E. Electronic Switching: Central Office Systems of the World. IEEE Press, 1976.