Cita APA (7a ed.)
Crowley, D. J. (1982). Understanding Communication. Gordon & Breach.
Cita Chicago Style (17a ed.)
Crowley, D J. Understanding Communication. New York: Gordon & Breach, 1982.
Cita MLA (9a ed.)
Crowley, D J. Understanding Communication. Gordon & Breach, 1982.
Precaución: Estas citas no son 100% exactas.