APA Format
World Health Organization (WHO) . (). Guide to short-term tests for detecting mutagenic and carcinogenic chemicals. : Geneva WHO 1985
MLA Format
World Health Organization (WHO) . Guide to short-term tests for detecting mutagenic and carcinogenic chemicals. : Geneva WHO 1985,
Australian/Harvard Format
World Health Organization (WHO) . . Guide to short-term tests for detecting mutagenic and carcinogenic chemicals. Geneva WHO 1985, 
Warning: These citations may not always be 100% accurate.