Citazione APA

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

Stile di citazione Chicago

Cutlip, Scott M., e Allen H. Center. Effective Public Relations/3e. 3rd ed. New Jersey: Prentice Hall, 1964.

Citazione MLA

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