APA Format
World Health Organization (WHO) . (). Who Expert committee on Biological standardization. : Geneva WHO 2011
MLA Format
World Health Organization (WHO) . Who Expert committee on Biological standardization. : Geneva WHO 2011,
Australian/Harvard Format
World Health Organization (WHO) . . Who Expert committee on Biological standardization. Geneva WHO 2011, 
Warning: These citations may not always be 100% accurate.