APA Style

Levy, B, S, ., [, A. et al (2011). Occupational and Environmental Health: Recognizing and Preventing Disease and Injury (6th Ed). New York: Oxford University Press.

MLA Style

Levy, Barry, S, ..., [et, Al.]. et al. "Occupational and Environmental Health: Recognizing and Preventing Disease and Injury". 6th Ed New York: Oxford University Press, 2011. Books.