APA (7th ed.) Citation

Rom, W. N. (1992). Environmental and occupational medicine (2nd ed.). Little, Brown.

Chicago Style (17th ed.) Citation

Rom, William N. Environmental and Occupational Medicine. 2nd ed. Boston: Little, Brown, 1992.

MLA (8th ed.) Citation

Rom, William N. Environmental and Occupational Medicine. 2nd ed. Little, Brown, 1992.