APA (7th ed.) Citation

Roddy, D., & Coolen, J. (1981). Electronic communications (2. ed.). Reston Publishing Comp.

Chicago Style (17th ed.) Citation

Roddy, Dennis, and John Coolen. Electronic Communications. 2. ed. Reston, Va: Reston Publishing Comp, 1981.

MLA (9th ed.) Citation

Roddy, Dennis, and John Coolen. Electronic Communications. 2. ed. Reston Publishing Comp, 1981.