APA (7th ed.) Citation

ScienceDirect (Online service) & Sparks, D. L. (2007). Advances in agronomy. Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service) and Donald L. Sparks. Advances in Agronomy. Boston ; Amsterdam: Elsevier, 2007.

MLA (9th ed.) Citation

ScienceDirect (Online service) and Donald L. Sparks. Advances in Agronomy. Elsevier, 2007.

Warning: These citations may not always be 100% accurate.