APA Format
World Health Organization (WHO) . (). Biomarkers and risk assessment: concepts and principles. : Geneva WHO 1993
MLA Format
World Health Organization (WHO) . Biomarkers and risk assessment: concepts and principles. : Geneva WHO 1993,
Australian/Harvard Format
World Health Organization (WHO) . . Biomarkers and risk assessment: concepts and principles. Geneva WHO 1993, 
Warning: These citations may not always be 100% accurate.