Cita APA

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

Citación estilo Chicago

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

Cita MLA

Seitel, Fraser P. The Practice of Public Relations. 9th ed. Pearson Prentice Hall, 2004.