Jirsa, M. A., Olsen, B. M., & Bloomgren, B. A. Bedrock geologic and topographic maps of the seven-country twin cities metropolitan area, Minnesota (1 - 2.). Univ. of Minnesota.
Chicago Style (17th ed.) CitationJirsa, Mark A., Bruce M. Olsen, and Bruce A. Bloomgren. Bedrock Geologic and Topographic Maps of the Seven-country Twin Cities Metropolitan Area, Minnesota. 1 - 2. St. Paul: Univ. of Minnesota.
MLA (9th ed.) CitationJirsa, Mark A., et al. Bedrock Geologic and Topographic Maps of the Seven-country Twin Cities Metropolitan Area, Minnesota. 1 - 2. Univ. of Minnesota.
Warning: These citations may not always be 100% accurate.