(1957). Teaching soil and water conservation: A classroom and field guide. Washington, D.C.: USDA, Soil Conservation Service.
Chicago Style CitationTeaching Soil and Water Conservation: A Classroom and Field Guide. Washington, D.C.: USDA, Soil Conservation Service, 1957.
MLA CitationTeaching Soil and Water Conservation: A Classroom and Field Guide. Washington, D.C.: USDA, Soil Conservation Service, 1957.
Warning: These citations may not always be 100% accurate.