Cita APA (7a ed.)

Fudala, P. J., Lange, W. R., Cabanilla, B. R., Moler, G., Bernacki, E. J., & Frankenfield, D. L. (1994). Preemployment Drug Screening at the Johns Hopkins Hospital, 1989 and 1991. American journal of drug and alcohol abuse, 20(1), 35-46.

Cita Chicago Style (17a ed.)

Fudala, Paul J., W. Robert Lange, B. Rodrigo Cabanilla, Gerri Moler, Edward J. Bernacki, y Diane L. Frankenfield. "Preemployment Drug Screening at the Johns Hopkins Hospital, 1989 and 1991." American Journal of Drug and Alcohol Abuse 20, no. 1 (1994): 35-46.

Cita MLA (9a ed.)

Fudala, Paul J., et al. "Preemployment Drug Screening at the Johns Hopkins Hospital, 1989 and 1991." American Journal of Drug and Alcohol Abuse, vol. 20, no. 1, 1994, pp. 35-46.