APA (7th ed.) Citation

American Geophysical Union, International Geological Congress, Morey, G. B., & Card, K. D. (1989). Early Proterozoic rocks of the Great Lakes Region: Sudbury, Ontario, Canada to Duluth, Minnesota, U.S.A., July 1-7, 1989. American Geophysical Union.

Chicago Style (17th ed.) Citation

American Geophysical Union, International Geological Congress, G. B. Morey, and K. D. Card. Early Proterozoic Rocks of the Great Lakes Region: Sudbury, Ontario, Canada to Duluth, Minnesota, U.S.A., July 1-7, 1989. Washington, D.C.: American Geophysical Union, 1989.

MLA (9th ed.) Citation

American Geophysical Union, et al. Early Proterozoic Rocks of the Great Lakes Region: Sudbury, Ontario, Canada to Duluth, Minnesota, U.S.A., July 1-7, 1989. American Geophysical Union, 1989.