APA (7th ed.) Citation

Gardner, D. R. (1998). The National Cooperative Soil Survey of the United States. United States Department of Agriculture, Natural Resources Conservation Service, Resource Economics and Social Sciences Division, Soil Survey Division.

Chicago Style (17th ed.) Citation

Gardner, David Rice. The National Cooperative Soil Survey of the United States. [Washington, D.C.]: United States Department of Agriculture, Natural Resources Conservation Service, Resource Economics and Social Sciences Division, Soil Survey Division, 1998.

MLA (9th ed.) Citation

Gardner, David Rice. The National Cooperative Soil Survey of the United States. United States Department of Agriculture, Natural Resources Conservation Service, Resource Economics and Social Sciences Division, Soil Survey Division, 1998.