APA (7th ed.) Citation

Heath, R. L., & Coombs, W. T. (2006). Today's public relations: An introduction. SAGE Publications.

Chicago Style (17th ed.) Citation

Heath, Robert L., and W. Timothy Coombs. Today's Public Relations: An Introduction. Thousand Oaks, Calif.: SAGE Publications, 2006.

MLA (9th ed.) Citation

Heath, Robert L., and W. Timothy Coombs. Today's Public Relations: An Introduction. SAGE Publications, 2006.