APA (7th ed.) Citation

Jirsa, M. A., Olsen, B. M., & Bloomgren, B. A. (1986). Bedrock geologic and topographic maps of the seven-country twin cities metropolitan area, Minnesota. Univ. of Minnesota.

Chicago Style (17th ed.) Citation

Jirsa, Mark A., Bruce M. Olsen, and Bruce A. Bloomgren. Bedrock Geologic and Topographic Maps of the Seven-country Twin Cities Metropolitan Area, Minnesota. St. Paul: Univ. of Minnesota, 1986.

MLA (9th ed.) Citation

Jirsa, Mark A., et al. Bedrock Geologic and Topographic Maps of the Seven-country Twin Cities Metropolitan Area, Minnesota. Univ. of Minnesota, 1986.