APA

Archibald C. P., Ofner M., Strathdee S. A., Patrick D. M., Sutherland D., Rekart M. L., Schechter M. T. & O'Shaughnessy M. V. (19980309). Factors associated with frequent needle exchange program attendance in injection drug users in Vancouver, Canada. : Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association.

Chicago

Archibald C P, Ofner M, Strathdee S A, Patrick D M, Sutherland D, Rekart M L, Schechter M T and O'Shaughnessy M V. 19980309. Factors associated with frequent needle exchange program attendance in injection drug users in Vancouver, Canada. : Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association.

Harvard

Archibald C. P., Ofner M., Strathdee S. A., Patrick D. M., Sutherland D., Rekart M. L., Schechter M. T. and O'Shaughnessy M. V. (19980309). Factors associated with frequent needle exchange program attendance in injection drug users in Vancouver, Canada. : Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association.

MLA

Archibald C P, Ofner M, Strathdee S A, Patrick D M, Sutherland D, Rekart M L, Schechter M T and O'Shaughnessy M V. Factors associated with frequent needle exchange program attendance in injection drug users in Vancouver, Canada. : Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association. 19980309.