Cita APA (7a ed.)

Smith, K. A., & Mullins, C. E. (1991). Soil analysis: Physical methods (1st edition.). Dekker.

Cita Chicago Style (17a ed.)

Smith, Keith A., y Chris E. Mullins. Soil Analysis: Physical Methods. 1st edition. New York: Dekker, 1991.

Cita MLA (8a ed.)

Smith, Keith A., y Chris E. Mullins. Soil Analysis: Physical Methods. 1st edition. Dekker, 1991.