APA

Wilcox D. L., Ault P. H. & Agee W. K. (1989). Public relations: strategies and tactics. New York: Harper & Row.

Chicago

Wilcox Dennis L, Ault Phillip H and Agee Warren Kendall. 1989. Public relations: strategies and tactics. New York: Harper & Row.

Harvard

Wilcox D. L., Ault P. H. and Agee W. K. (1989). Public relations: strategies and tactics. New York: Harper & Row.

MLA

Wilcox Dennis L, Ault Phillip H and Agee Warren Kendall. Public relations: strategies and tactics. New York: Harper & Row. 1989.