APA
International Conference on AIDS (6th : 1990 : San Francisco C. U., . (1990). Sixth International Conference on AIDS : final program and abstracts [June 1990] : AIDS in the nineties : from science to policy, San Francisco, California, USA. San Francisco, Calif: University of California.
Chicago
International Conference on AIDS (6th : 1990 : San Francisco California U.S.A.), . 1990. Sixth International Conference on AIDS : final program and abstracts [June 1990] : AIDS in the nineties : from science to policy, San Francisco, California, USA. San Francisco, Calif: University of California.
Harvard
International Conference on AIDS (6th : 1990 : San Francisco C. U., . (1990). Sixth International Conference on AIDS : final program and abstracts [June 1990] : AIDS in the nineties : from science to policy, San Francisco, California, USA. San Francisco, Calif: University of California.
MLA
International Conference on AIDS (6th : 1990 : San Francisco California U.S.A.), . Sixth International Conference on AIDS : final program and abstracts [June 1990] : AIDS in the nineties : from science to policy, San Francisco, California, USA. San Francisco, Calif: University of California. 1990.