APA Format
World Health Organization (WHO) . (). International drug monitoring: the role of the hospital, TRS.425. : Geneva WHO 1969
MLA Format
World Health Organization (WHO) . International drug monitoring: the role of the hospital, TRS.425. : Geneva WHO 1969,
Australian/Harvard Format
World Health Organization (WHO) . . International drug monitoring: the role of the hospital, TRS.425. Geneva WHO 1969, 
Warning: These citations may not always be 100% accurate.