APA (7th ed.) Citation

Norwegian Explorers of Minnesota, McDiarmid, E. W., & Crawford, B. L. (1982). The Norwegian Explorers of Minnesota: A history & an invitation. Sumac Press.

Chicago Style (17th ed.) Citation

Norwegian Explorers of Minnesota, E. W. McDiarmid, and Bryce L. Crawford. The Norwegian Explorers of Minnesota: A History & an Invitation. [La Crosse, Wis.]: Sumac Press, 1982.

MLA (9th ed.) Citation

Norwegian Explorers of Minnesota, et al. The Norwegian Explorers of Minnesota: A History & an Invitation. Sumac Press, 1982.