APA Format
World Health Organization (WHO) . (). The midwife in maternity care: report of a WHO expert committee/WHO. : Geneva WHO 1966
MLA Format
World Health Organization (WHO) . The midwife in maternity care: report of a WHO expert committee/WHO. : Geneva WHO 1966,
Australian/Harvard Format
World Health Organization (WHO) . . The midwife in maternity care: report of a WHO expert committee/WHO. Geneva WHO 1966, 
Warning: These citations may not always be 100% accurate.