Cita APA (7th ed.)

Seitel, F. P. (2007). The practice of public relations (10th ed.). Pearson Education International.

Cita Chicago (17th ed.)

Seitel, Fraser P. The Practice of Public Relations. 10th ed. Upper Saddle River, N.J: Pearson Education International, 2007.

Cita MLA (9th ed.)

Seitel, Fraser P. The Practice of Public Relations. 10th ed. Pearson Education International, 2007.