APA Citation

Polen, M. R., Whitlock, E. P., Wisdom, J. P., & Nygren, P. (2008). Screening in primary care settings for illicit drug use: Staged systematic review for the United States Preventive Services Task Force. Rockville (MD): Agency for Healthcare Research and Quality (US).

Chicago Style Citation

Polen, Michael R., Evelyn P. Whitlock, Jennifer P. Wisdom, and Peggy Nygren. Screening in Primary Care Settings for Illicit Drug Use: Staged Systematic Review for the United States Preventive Services Task Force. Rockville (MD): Agency for Healthcare Research and Quality (US), 2008.

MLA Citation

Polen, Michael R., Evelyn P. Whitlock, Jennifer P. Wisdom, and Peggy Nygren. Screening in Primary Care Settings for Illicit Drug Use: Staged Systematic Review for the United States Preventive Services Task Force. Rockville (MD): Agency for Healthcare Research and Quality (US), 2008.