7e International conference on AIDS : : Florence 16-21 june 1991.

MLA

7e International Conference On Aids : Florence 16-21 June 1991. Rome, 1991.

APA

(1991). 7e International conference on AIDS : Florence 16-21 june 1991. Rome.

Chicago

7e International Conference On AIDS: Florence 16-21 June 1991. Rome, 1991.