APA

Nichols S. L., Lowe A., Zhang X., Garvie P. A., Thornton S., Goldberger B. A., Hou W., Goodenow M. M. & Sleasman J. W. (20140816). Concordance between self-reported substance use and toxicology among HIV-infected and uninfected at risk youth. : Drug and alcohol dependence.

Chicago

Nichols Sharon L, Lowe Amanda, Zhang Xinrui, Garvie Patricia A, Thornton Sarah, Goldberger Bruce A, Hou Wei, Goodenow Maureen M and Sleasman John W. 20140816. Concordance between self-reported substance use and toxicology among HIV-infected and uninfected at risk youth. : Drug and alcohol dependence.

Harvard

Nichols S. L., Lowe A., Zhang X., Garvie P. A., Thornton S., Goldberger B. A., Hou W., Goodenow M. M. and Sleasman J. W. (20140816). Concordance between self-reported substance use and toxicology among HIV-infected and uninfected at risk youth. : Drug and alcohol dependence.

MLA

Nichols Sharon L, Lowe Amanda, Zhang Xinrui, Garvie Patricia A, Thornton Sarah, Goldberger Bruce A, Hou Wei, Goodenow Maureen M and Sleasman John W. Concordance between self-reported substance use and toxicology among HIV-infected and uninfected at risk youth. : Drug and alcohol dependence. 20140816.