Brennan, A. M., Barry, R. G., & World Data Center A for Glaciology. (1989). Ice core update, 1980-1989: Permafrost Data Workshop. World Data Center for Glaciology (Snow and Ice), Cooperative Institute for Research in Environmental Sciences, University of Colorado.
Chicago Style (17th ed.) CitationBrennan, Ann M., Roger G. 1935- Barry, and World Data Center A for Glaciology. Ice Core Update, 1980-1989: Permafrost Data Workshop. Boulder, Colo.: World Data Center for Glaciology (Snow and Ice), Cooperative Institute for Research in Environmental Sciences, University of Colorado, 1989.
MLA (8th ed.) CitationBrennan, Ann M., et al. Ice Core Update, 1980-1989: Permafrost Data Workshop. World Data Center for Glaciology (Snow and Ice), Cooperative Institute for Research in Environmental Sciences, University of Colorado, 1989.