Cita APA (7a ed.)

Martin, J. (1971). Future developments in telecommunications (1a ed.). Prentice-Hall International.

Cita Chicago Style (17a ed.)

Martin, James. Future Developments in Telecommunications. 1a ed. Englewood Cl: Prentice-Hall International, 1971.

Cita MLA (9a ed.)

Martin, James. Future Developments in Telecommunications. 1a ed. Prentice-Hall International, 1971.