APA (7th ed.) Citation

World Data Center A for Glaciology & Hoffman, C. S. (1980). Great Lakes ice. World Data Center A for Glaciology (Snow and Ice), Institute for Arctic and Alpine Research, University of Colorado.

Chicago Style (17th ed.) Citation

World Data Center A for Glaciology and Claire S. Hoffman. Great Lakes Ice. Boulder, Colo.: World Data Center A for Glaciology (Snow and Ice), Institute for Arctic and Alpine Research, University of Colorado, 1980.

MLA (8th ed.) Citation

World Data Center A for Glaciology and Claire S. Hoffman. Great Lakes Ice. World Data Center A for Glaciology (Snow and Ice), Institute for Arctic and Alpine Research, University of Colorado, 1980.