APA (7th ed.) Citation

Drain, C. B., Cambell, J. K., Dirks, K. R., & Jenkins, O. C. (1986). Comparison of two instructional methods on blood cortisol levels in the educational setting.

Chicago Style (17th ed.) Citation

Drain, Cecil B., Jack K. Cambell, Kenneth R. Dirks, and Omer C. Jenkins. Comparison of Two Instructional Methods on Blood Cortisol Levels in the Educational Setting. 1986.

MLA (9th ed.) Citation

Drain, Cecil B., et al. Comparison of Two Instructional Methods on Blood Cortisol Levels in the Educational Setting. 1986.