Cita APA (7a ed.)

Colby, C. B. (1957). Soil savers: The work of the soil conservation service of the United States Department of Agriculture. Coward-McCann.

Cita Chicago Style (17a ed.)

Colby, C. B. Soil Savers: The Work of the Soil Conservation Service of the United States Department of Agriculture. New York: Coward-McCann, 1957.

Cita MLA (8a ed.)

Colby, C. B. Soil Savers: The Work of the Soil Conservation Service of the United States Department of Agriculture. Coward-McCann, 1957.