Cite
Incidence of seroconversion and progression of HIV disease among intravenous drug abusers.
MLA
Vaccher, E., et al. “Incidence of Seroconversion and Progression of HIV Disease among Intravenous Drug Abusers.” Journal of Acquired Immune Deficiency Syndromes, vol. 2, no. 4, 1989, pp. 414–15. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=2787861&authtype=sso&custid=ns315887.
APA
Vaccher, E., Saracchini, S., Errante, D., Bullian, P., Zappaià, E., Pinna, C., Diodato, S., Serraino, D., Santini, G. F., & Tirelli, U. (1989). Incidence of seroconversion and progression of HIV disease among intravenous drug abusers. Journal of Acquired Immune Deficiency Syndromes, 2(4), 414–415.
Chicago
Vaccher, E, S Saracchini, D Errante, P Bullian, E Zappaià, C Pinna, S Diodato, D Serraino, G F Santini, and U Tirelli. 1989. “Incidence of Seroconversion and Progression of HIV Disease among Intravenous Drug Abusers.” Journal of Acquired Immune Deficiency Syndromes 2 (4): 414–15. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=2787861&authtype=sso&custid=ns315887.