APA (7th ed.) Citation

ScienceDirect (Online service) & Sparks, D. L. (2001). Advances in agronomy. Academic.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service) and Donald L. Sparks. Advances in Agronomy. San Diego, Calif. ; London: Academic, 2001.

MLA (9th ed.) Citation

ScienceDirect (Online service) and Donald L. Sparks. Advances in Agronomy. Academic, 2001.

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