APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Smith, Keith A., and Chris E. Mullins. Soil Analysis: Physical Methods. New York: M. Dekker, 1991.

MLA (9th ed.) Citation

Smith, Keith A., and Chris E. Mullins. Soil Analysis: Physical Methods. M. Dekker, 1991.