Cita APA (7a ed.)

United States. Soil Conservation Service. (1963). Land of Washington. U.S. Dept. of Agriculture, Soil Conservation Service.

Cita Chicago Style (17a ed.)

United States. Soil Conservation Service. Land of Washington. [Portland, Or.: U.S. Dept. of Agriculture, Soil Conservation Service, 1963.

Cita MLA (8a ed.)

United States. Soil Conservation Service. Land of Washington. U.S. Dept. of Agriculture, Soil Conservation Service, 1963.

Precaución: Estas citas no son 100% exactas.