Citazione Stile APA (7a Edizione)

Clay, D., & Shanahan, J. F. (2011). Nutrient management for energy efficiency. CRC Press.

Citazione stile Chigago Style (17a edizione)

Clay, David, e John Francis Shanahan. Nutrient Management for Energy Efficiency. Boca Raton, FL: CRC Press, 2011.

Citatione MLA (9a ed.)

Clay, David, e John Francis Shanahan. Nutrient Management for Energy Efficiency. CRC Press, 2011.