Cita APA (7th ed.)
Witte, K., & Meyer, G. e. a. (2001). Effective health risk messages: A step-by-step guide. Sage.
Cita Chicago (17th ed.)
Witte, Kim, i Gary et. al Meyer. Effective Health Risk Messages: A Step-by-step Guide. London: Sage, 2001.
Cita MLA (9th ed.)
Witte, Kim, i Gary et. al Meyer. Effective Health Risk Messages: A Step-by-step Guide. Sage, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.