Cita APA (7a ed.)

Roddy, D., & Coolen, J. (1977). Electronic communications. Reston.

Cita Chicago Style (17a ed.)

Roddy, Dennis, y John Coolen. Electronic Communications. Reston, Virginia: Reston, 1977.

Cita MLA (8a ed.)

Roddy, Dennis, y John Coolen. Electronic Communications. Reston, 1977.