Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Gatchel, Robert J., Andrew Baum, David S. Krantz, y Jerome E. Singer. An Introduction to Health Psychology. 2nd ed. New York: Random House, 1989.

Cita MLA (9a ed.)

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