APA (7th ed.) Citation

Smith-Cox, N. A., Echols, G., Pugh, D. L., & Thomas, J. K. (1987). A study of stressful life events, coping resources, and health status.

Chicago Style (17th ed.) Citation

Smith-Cox, Narra Anne, Gordon Echols, David L. Pugh, and John K. Thomas. A Study of Stressful Life Events, Coping Resources, and Health Status. 1987.

MLA (9th ed.) Citation

Smith-Cox, Narra Anne, et al. A Study of Stressful Life Events, Coping Resources, and Health Status. 1987.