APA Format
World Health Organization (WHO) . (). Urban vector and pest control, TRS.767. : Geneva WHO 1988
MLA Format
World Health Organization (WHO) . Urban vector and pest control, TRS.767. : Geneva WHO 1988,
Australian/Harvard Format
World Health Organization (WHO) . . Urban vector and pest control, TRS.767. Geneva WHO 1988, 
Warning: These citations may not always be 100% accurate.