Cita APA (7th ed.)
Blanco-Canqui, H., & Lal, R. (2010). Principles of Soil Conservation and Management (1.). Springer Netherlands. https://doi.org/10.1007/978-1-4020-8709-7
Cita Chicago (17th ed.)
Blanco-Canqui, Humberto, i Rattan Lal. Principles of Soil Conservation and Management. 1. Dordrecht: Springer Netherlands, 2010. https://doi.org/10.1007/978-1-4020-8709-7.
Cita MLA (9th ed.)
Blanco-Canqui, Humberto, i Rattan Lal. Principles of Soil Conservation and Management. 1. Springer Netherlands, 2010. https://doi.org/10.1007/978-1-4020-8709-7.
Atenció: Aquestes cites poden no estar 100% correctes.