APA Format
World Health Organization (WHO) . (). Comparative studies of american and African trypanosomiasis, TRS.411. : Geneva WHO 1969
MLA Format
World Health Organization (WHO) . Comparative studies of american and African trypanosomiasis, TRS.411. : Geneva WHO 1969,
Australian/Harvard Format
World Health Organization (WHO) . . Comparative studies of american and African trypanosomiasis, TRS.411. Geneva WHO 1969, 
Warning: These citations may not always be 100% accurate.