APA (7th ed.) Citation

Black , S. (1993). The essentials of public relations. Kogan Page.

Chicago Style (17th ed.) Citation

Black , Sam. The Essentials of Public Relations. London: Kogan Page, 1993.

MLA (8th ed.) Citation

Black , Sam. The Essentials of Public Relations. Kogan Page, 1993.

Warning: These citations may not always be 100% accurate.