APA (7th ed.) Citation

Machlis, J. A., & Larson, G. A. (1928). Soil survey, Walworth county, South Dakota. Government Printing Office.

Chicago Style (17th ed.) Citation

Machlis, Joseph Arthur, and Guy A. Larson. Soil Survey, Walworth County, South Dakota. Washington DC: Government Printing Office, 1928.

MLA (9th ed.) Citation

Machlis, Joseph Arthur, and Guy A. Larson. Soil Survey, Walworth County, South Dakota. Government Printing Office, 1928.

Warning: These citations may not always be 100% accurate.