APA-Zitierstil (7. Ausg.)

Mangum, A. W. (1907). Soil Survey of the Crookston Area Minnesota: U. S. Department of Agriculture. Bureau of Soils. By A. W. Mangum and F. C. Schroeder. Government Printing Office.

Chicago-Zitierstil (17. Ausg.)

Mangum, A. W. Soil Survey of the Crookston Area Minnesota: U. S. Department of Agriculture. Bureau of Soils. By A. W. Mangum and F. C. Schroeder. Washington: Government Printing Office, 1907.

MLA-Zitierstil (9. Ausg.)

Mangum, A. W. Soil Survey of the Crookston Area Minnesota: U. S. Department of Agriculture. Bureau of Soils. By A. W. Mangum and F. C. Schroeder. Government Printing Office, 1907.