MLA

Lehrer, Paul M., and Robert L Woolfolk. Principles and Practice of Stress Management. 4th ed. New York (N.Y.): Guilford press, 2021.

APA

Lehrer, P. M., & Woolfolk, R. L. (2021). Principles and practice of stress management. 4th ed. New York (N.Y.): Guilford press.

Chicago

Lehrer, Paul M., ed., and Robert L. Woolfolk ed. Principles and Practice of Stress Management. 4th ed. New York (N.Y.): Guilford press, 2021.