APA Format
World Health Organization (WHO) . (). Principles for evaluating health risks to progeny associated with exposure to chemicals during pregnancy. : Geneva WHO 1984
MLA Format
World Health Organization (WHO) . Principles for evaluating health risks to progeny associated with exposure to chemicals during pregnancy. : Geneva WHO 1984,
Australian/Harvard Format
World Health Organization (WHO) . . Principles for evaluating health risks to progeny associated with exposure to chemicals during pregnancy. Geneva WHO 1984, 
Warning: These citations may not always be 100% accurate.