APA (7th ed.) Citation

ScienceDirect (Online service) & Sparks, D. L. (2009). Advances in agronomy. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service) and Donald L. Sparks. Advances in Agronomy. London: Academic Press, 2009.

MLA (9th ed.) Citation

ScienceDirect (Online service) and Donald L. Sparks. Advances in Agronomy. Academic Press, 2009.

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