Cita APA (7th ed.)

Cutlip, S. M., & Center, A. H. (1964). Effective public relations (3rd ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Cutlip, Scott M., i Allen H. Center. Effective Public Relations. 3rd ed. Englewood Cliffs, N. J: Prentice-Hall, 1964.

Cita MLA (9th ed.)

Cutlip, Scott M., i Allen H. Center. Effective Public Relations. 3rd ed. Prentice-Hall, 1964.