APA Format
World Health Organization (WHO) . (). Polychlorinated biphenyls and terphenyls. : Geneva WHO 1993
MLA Format
World Health Organization (WHO) . Polychlorinated biphenyls and terphenyls. : Geneva WHO 1993,
Australian/Harvard Format
World Health Organization (WHO) . . Polychlorinated biphenyls and terphenyls. Geneva WHO 1993, 
Warning: These citations may not always be 100% accurate.