Style de citation APA

Proctor, N. H., Fischman, M. L., & Hughes, J. P. (1989). Chemical hazards of the workplace (Ed.2 /.).

Style de citation Chicago

Proctor, Nick H., Michael L. Fischman, et James P. Hughes. Chemical Hazards of the Workplace. Ed.2 /. New York : Reinhold, 1989.

Style de citation MLA

Proctor, Nick H., et al. Chemical Hazards of the Workplace. Ed.2 /. 1989.