APA Citatie

Proctor, N. H., Hughes, J. P., & Fischman, M. L. (1989). Chemical hazards of the work place (2nd ed.). Van Nostrand Reinhold.

Chicago Style citaat

Proctor, Nick H., James P. Hughes, en Michael L. Fischman. Chemical Hazards of the Work Place. 2nd ed. N.Y: Van Nostrand Reinhold, 1989.

MLA citatie

Proctor, Nick H., et al. Chemical Hazards of the Work Place. 2nd ed. Van Nostrand Reinhold, 1989.