APA (7th ed.) Citation

Wright,Kevin B, O'Hair, H., & Sparks, L. (2008). Health communication in the 21st century. Blackwell.

Chicago Style (17th ed.) Citation

Wright,Kevin B, H.Dan O'Hair, and Lisa Sparks. Health Communication in the 21st Century. Australia: Blackwell, 2008.

MLA (9th ed.) Citation

Wright,Kevin B, et al. Health Communication in the 21st Century. Blackwell, 2008.