APA Format
World Health Organization (WHO) . (). Principles for pre-clinical testing of drug safety, TRS.341. : Geneva WHO 1966
MLA Format
World Health Organization (WHO) . Principles for pre-clinical testing of drug safety, TRS.341. : Geneva WHO 1966,
Australian/Harvard Format
World Health Organization (WHO) . . Principles for pre-clinical testing of drug safety, TRS.341. Geneva WHO 1966, 
Warning: These citations may not always be 100% accurate.