APA Format
World Health Organization (WHO) . (). WHO expert committee on specifications for pharmaceutical preparations, TRS.790. : Geneva WHO 1990
MLA Format
World Health Organization (WHO) . WHO expert committee on specifications for pharmaceutical preparations, TRS.790. : Geneva WHO 1990,
Australian/Harvard Format
World Health Organization (WHO) . . WHO expert committee on specifications for pharmaceutical preparations, TRS.790. Geneva WHO 1990, 
Warning: These citations may not always be 100% accurate.