APA Format
World Health Organization (WHO) . (). Biochemistry of mental disorders, TRS.427. : Geneva WHO 1969
MLA Format
World Health Organization (WHO) . Biochemistry of mental disorders, TRS.427. : Geneva WHO 1969,
Australian/Harvard Format
World Health Organization (WHO) . . Biochemistry of mental disorders, TRS.427. Geneva WHO 1969, 
Warning: These citations may not always be 100% accurate.