APA Format
World Health Organization . (). Cyclic acid anhydrides: human health aspects. : Geneva: WHO, 2009
MLA Format
World Health Organization . Cyclic acid anhydrides: human health aspects. : Geneva: WHO, 2009,
Australian/Harvard Format
World Health Organization . . Cyclic acid anhydrides: human health aspects. Geneva: WHO, 2009, 
Warning: These citations may not always be 100% accurate.