Cita APA (7a ed.)

(1975). Soil taxonomy: A Basic system of soil classification for making and interpreting soil surveys (1st edition.). USDA.

Cita Chicago Style (17a ed.)

Soil Taxonomy: A Basic System of Soil Classification for Making and Interpreting Soil Surveys. 1st edition. Washington, DC: USDA, 1975.

Cita MLA (8a ed.)

Soil Taxonomy: A Basic System of Soil Classification for Making and Interpreting Soil Surveys. 1st edition. USDA, 1975.