APA Format
World Health Organization (WHO) . (). Partially halogenated chlorofluorocarbons ( ethane derivatives ). : Geneva WHO 1992
MLA Format
World Health Organization (WHO) . Partially halogenated chlorofluorocarbons ( ethane derivatives ). : Geneva WHO 1992,
Australian/Harvard Format
World Health Organization (WHO) . . Partially halogenated chlorofluorocarbons ( ethane derivatives ). Geneva WHO 1992, 
Warning: These citations may not always be 100% accurate.