APA (7th ed.) Citation

Bodkin, J. L., Ballachey, B. E., & Esslinger, G. G. (2011). Trends in sea otter population abundance in western Prince William Sound: Progress toward recovery following the 1989 Exxon Valdez oil spill. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Bodkin, James L., Brenda Elizabeth Ballachey, and George G. Esslinger. Trends in Sea Otter Population Abundance in Western Prince William Sound: Progress Toward Recovery Following the 1989 Exxon Valdez Oil Spill. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2011.

MLA (9th ed.) Citation

Bodkin, James L., et al. Trends in Sea Otter Population Abundance in Western Prince William Sound: Progress Toward Recovery Following the 1989 Exxon Valdez Oil Spill. U.S. Department of the Interior, U.S. Geological Survey, 2011.