Cita APA (7a ed.)

Pollack, H. A., Seefeldt, K. S., Jayakody, R., & Danziger, S. (2002). Drug testing welfare recipients--false positives, false negatives, unanticipated opportunities. https://doi.org/10.1016/S1049-3867(01)00139-6

Cita Chicago Style (17a ed.)

Pollack, Harold A., Kristin S. Seefeldt, Rukmalie Jayakody, y Sheldon Danziger. Drug Testing Welfare Recipients--false Positives, False Negatives, Unanticipated Opportunities. 2002. https://doi.org/10.1016/S1049-3867(01)00139-6.

Cita MLA (9a ed.)

Pollack, Harold A., et al. Drug Testing Welfare Recipients--false Positives, False Negatives, Unanticipated Opportunities. 2002. https://doi.org/10.1016/S1049-3867(01)00139-6.