VerWiebe, Walter August, Michigan. Geological Survey Division, Michigan. Land Economic Survey, & Bergquist, A. W. (1927). Geological resources of Kalkaska County, Michigan. Department of Conservation.
Chicago Style (17th ed.) CitationVerWiebe, Walter August, Michigan. Geological Survey Division, Michigan. Land Economic Survey, and A. W. Bergquist. Geological Resources of Kalkaska County, Michigan. Lansing, Mich.: Department of Conservation, 1927.
MLA (9th ed.) CitationVerWiebe, Walter August, et al. Geological Resources of Kalkaska County, Michigan. Department of Conservation, 1927.
Warning: These citations may not always be 100% accurate.