APA Style

H, H, G, J, &, P, N. (2004). Proctor and Hughes' chemical hazards of the workplace . New Delhi: Wiley Interscience.

MLA Style

H, Hathaway, Gloria, J, &, Proctor, Nick. "Proctor and Hughes' chemical hazards of the workplace". New Delhi: Wiley Interscience, 2004. .