APA Format
World Health Organization (WHO) . (). Genetic disorders: prevention, treatment and rehabilitation, TRS.497. : Geneva WHO 1972
MLA Format
World Health Organization (WHO) . Genetic disorders: prevention, treatment and rehabilitation, TRS.497. : Geneva WHO 1972,
Australian/Harvard Format
World Health Organization (WHO) . . Genetic disorders: prevention, treatment and rehabilitation, TRS.497. Geneva WHO 1972, 
Warning: These citations may not always be 100% accurate.