APA (7th ed.) Citation

Harris, T. L., & Whalen, P. T. (2006). The marketer's guide to public relations in the 21st century. Thomson.

Chicago Style (17th ed.) Citation

Harris, Thomas L., and Patricia T. Whalen. The Marketer's Guide to Public Relations in the 21st Century. Mason, Ohio: Thomson, 2006.

MLA (9th ed.) Citation

Harris, Thomas L., and Patricia T. Whalen. The Marketer's Guide to Public Relations in the 21st Century. Thomson, 2006.