Gatchel, R. J., Baum, A., & Krantz, D. S. (1989). An introduction to health psychology (2nd ed.). Random House; McGraw-Hill.

Gatchel, Robert J., Andrew Baum, and David S. Krantz. An Introduction to Health Psychology. 2nd ed. New York: Random House; McGraw-Hill, 1989.

Gatchel, Robert J., et al. An Introduction to Health Psychology. 2nd ed. Random House; McGraw-Hill, 1989.