APA Format
World Health Organization (WHO) . (). Allethrins-allethrin d-allethrin bioallethrin S-bioallethrin. : Geneva WHO 1989
MLA Format
World Health Organization (WHO) . Allethrins-allethrin d-allethrin bioallethrin S-bioallethrin. : Geneva WHO 1989,
Australian/Harvard Format
World Health Organization (WHO) . . Allethrins-allethrin d-allethrin bioallethrin S-bioallethrin. Geneva WHO 1989, 
Warning: These citations may not always be 100% accurate.