APA Format
World Health Organization
. (1990). Prevention of sexual transmission of human immunodeficiency virus. Geneva : WHO
MLA Format
World Health Organization
. Prevention of sexual transmission of human immunodeficiency virus. Geneva : WHO, 1990
Australian/Harvard Format
World Health Organization
. 1990. Prevention of sexual transmission of human immunodeficiency virus. WHO, Geneva
Warning: These citations may not always be 100% accurate.