APA (7th ed.) Citation

Warnock, F., McElwee, K., Seo, R. J., & al, e. (2009). Measuring cortisol and DHEA in fingernails: A pilot study. Dove Medical Press.

Chicago Style (17th ed.) Citation

Warnock, Fay, Kevin McElwee, Rubo J. Seo, and et al. Measuring Cortisol and DHEA in Fingernails: A Pilot Study. Dove Medical Press, 2009.

MLA (8th ed.) Citation

Warnock, Fay, et al. Measuring Cortisol and DHEA in Fingernails: A Pilot Study. Dove Medical Press, 2009.