Cita APA

Seitel, F. P. (2004). The practice of public relations (9th ed.). Pearson Education International.

Citación estilo Chicago

Seitel, Fraser P. The Practice of Public Relations. 9th ed. Upper Saddle River, N.J: Pearson Education International, 2004.

Cita MLA

Seitel, Fraser P. The Practice of Public Relations. 9th ed. Pearson Education International, 2004.