Cita APA (7a ed.)

Martin, J. (1971). Future developments in telecommunications. Prentice-Hall.

Cita Chicago Style (17a ed.)

Martin, James. Future Developments in Telecommunications. Englewood Cliffs, New Jersey: Prentice-Hall, 1971.

Cita MLA (8a ed.)

Martin, James. Future Developments in Telecommunications. Prentice-Hall, 1971.