Cita APA (7a ed.)

Wolf, M. P., Aurner, R. R., & Kuiper, S. (1989). Effective communication in business (9th ed.). South-Western Pub.

Cita Chicago Style (17a ed.)

Wolf, Morris Philip, Robert Ray Aurner, y Shirley Kuiper. Effective Communication in Business. 9th ed. Cincinnati: South-Western Pub, 1989.

Cita MLA (9a ed.)

Wolf, Morris Philip, et al. Effective Communication in Business. 9th ed. South-Western Pub, 1989.