APA (7th ed.) Citation

United States. Bureau of Soils, Fippin, E. O., & Rice, T. D. (1901). Soil map, Michigan, Allegan Co. sheet. Bureau of Soils.

Chicago Style (17th ed.) Citation

United States. Bureau of Soils, Elmer O. Fippin, and Thomas D. Rice. Soil Map, Michigan, Allegan Co. Sheet. [Washington, D.C.]: Bureau of Soils, 1901.

MLA (9th ed.) Citation

United States. Bureau of Soils, et al. Soil Map, Michigan, Allegan Co. Sheet. Bureau of Soils, 1901.