APA Format
World Health Organization (WHO) . (). Early detection of health impairment in occupational exposure to health hazards, TRS.571. : Geneva WHO 1975
MLA Format
World Health Organization (WHO) . Early detection of health impairment in occupational exposure to health hazards, TRS.571. : Geneva WHO 1975,
Australian/Harvard Format
World Health Organization (WHO) . . Early detection of health impairment in occupational exposure to health hazards, TRS.571. Geneva WHO 1975, 
Warning: These citations may not always be 100% accurate.