Cita APA

Seitel, F. P. (1998). The practice of public relations (7th ed.). Prentice Hall.

Citación estilo Chicago

Seitel, Fraser P. The Practice of Public Relations. 7th ed. Upper Saddle River, N.J: Prentice Hall, 1998.

Cita MLA

Seitel, Fraser P. The Practice of Public Relations. 7th ed. Prentice Hall, 1998.