Cita APA (7a ed.)

Smith, G. D. (1983). Pedogenesis and soil taxonomy. Elsevier.

Cita Chicago Style (17a ed.)

Smith, Guy D. Pedogenesis and Soil Taxonomy. Amsterdam: Elsevier, 1983.

Cita MLA (8a ed.)

Smith, Guy D. Pedogenesis and Soil Taxonomy. Elsevier, 1983.