APA Format
World Health Organization (WHO) . (). Elemental mercury and inorganic mercury compounds: human health aspects, CICAD.50. : Geneva WHO 2003
MLA Format
World Health Organization (WHO) . Elemental mercury and inorganic mercury compounds: human health aspects, CICAD.50. : Geneva WHO 2003,
Australian/Harvard Format
World Health Organization (WHO) . . Elemental mercury and inorganic mercury compounds: human health aspects, CICAD.50. Geneva WHO 2003, 
Warning: These citations may not always be 100% accurate.