APA Format
World Health Organization (WHO) . (). Summary report on the evaluation of short-term tests for carcinogens (collaborative study on in vivo tests). : Geneva WHO 1990
MLA Format
World Health Organization (WHO) . Summary report on the evaluation of short-term tests for carcinogens (collaborative study on in vivo tests). : Geneva WHO 1990,
Australian/Harvard Format
World Health Organization (WHO) . . Summary report on the evaluation of short-term tests for carcinogens (collaborative study on in vivo tests). Geneva WHO 1990, 
Warning: These citations may not always be 100% accurate.