APA Format
World Health Organization (WHO) . (). Early detection of cancer, TRS.422. : Geneva WHO 1969
MLA Format
World Health Organization (WHO) . Early detection of cancer, TRS.422. : Geneva WHO 1969,
Australian/Harvard Format
World Health Organization (WHO) . . Early detection of cancer, TRS.422. Geneva WHO 1969, 
Warning: These citations may not always be 100% accurate.