Cita APA

Soil Science Society of America, American Society of Agronomy, & Sparks, D. L. (1996). Methods of soil analysis. Soil Science Society of America : American Society of Agronomy.

Citación estilo Chicago

Soil Science Society of America, American Society of Agronomy, and Donald L. Sparks. Methods of Soil Analysis. Madison, Wis.: Soil Science Society of America : American Society of Agronomy, 1996.

Cita MLA

Soil Science Society of America, American Society of Agronomy, and Donald L. Sparks. Methods of Soil Analysis. Madison, Wis.: Soil Science Society of America : American Society of Agronomy, 1996.