Cita APA

Bellamy, J. C. (1982). Digital telephony. New York: John Wiley and Sons.

Citación estilo Chicago

Bellamy, John C. Digital Telephony. New York: John Wiley and Sons, 1982.

Cita MLA

Bellamy, John C. Digital Telephony. New York: John Wiley and Sons, 1982.