APA (7th ed.) Citation

Geological Survey (U.S.) & Robbins, E. I. (1994). Wetlands of modern and ancestral lakes Erie and St. Clair, Michigan, Ohio, Indiana, Pennsylvania, and New York, U.S.A., and Ontario, Canada. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Eleanora I. Robbins. Wetlands of Modern and Ancestral Lakes Erie and St. Clair, Michigan, Ohio, Indiana, Pennsylvania, and New York, U.S.A., and Ontario, Canada. Reston, VA: The Survey, 1994.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Eleanora I. Robbins. Wetlands of Modern and Ancestral Lakes Erie and St. Clair, Michigan, Ohio, Indiana, Pennsylvania, and New York, U.S.A., and Ontario, Canada. The Survey, 1994.