Cita APA (7a ed.)

Riva-Murray, K., Brightbill, R. A., & Bilger, M. D. (2003). Trends in concentrations of polychlorinated biphenyls in fish tissue from selected sites in the Delaware River basin in New Jersey, New York, and Pennsylvania, 1969-98. U.S. Dept. of the Interior, U.S. Geological Survey U.S. Geological Survey, Branch of Information Services, distributor.

Cita Chicago Style (17a ed.)

Riva-Murray, Karen, Robin A. Brightbill, y Michael D. Bilger. Trends in Concentrations of Polychlorinated Biphenyls in Fish Tissue from Selected Sites in the Delaware River Basin in New Jersey, New York, and Pennsylvania, 1969-98. Denver, Colo: U.S. Dept. of the Interior, U.S. Geological Survey U.S. Geological Survey, Branch of Information Services, distributor, 2003.

Cita MLA (9a ed.)

Riva-Murray, Karen, et al. Trends in Concentrations of Polychlorinated Biphenyls in Fish Tissue from Selected Sites in the Delaware River Basin in New Jersey, New York, and Pennsylvania, 1969-98. U.S. Dept. of the Interior, U.S. Geological Survey U.S. Geological Survey, Branch of Information Services, distributor, 2003.

Precaución: Estas citas no son 100% exactas.