Cita APA (7a ed.)

Department of Conservation (Minnesota). (1930). Soil and lay of the land map of Hubbard county. University of Minnesota.

Cita Chicago Style (17a ed.)

Department of Conservation (Minnesota). Soil and Lay of the Land Map of Hubbard County. Minnesota: University of Minnesota, 1930.

Cita MLA (9a ed.)

Department of Conservation (Minnesota). Soil and Lay of the Land Map of Hubbard County. University of Minnesota, 1930.