APA Format
World Health Organization (WHO) . (). Recommended health based limits in occupational exposure to selected organic solvents, TRS.664. : Geneva WHO 1981
MLA Format
World Health Organization (WHO) . Recommended health based limits in occupational exposure to selected organic solvents, TRS.664. : Geneva WHO 1981,
Australian/Harvard Format
World Health Organization (WHO) . . Recommended health based limits in occupational exposure to selected organic solvents, TRS.664. Geneva WHO 1981, 
Warning: These citations may not always be 100% accurate.