Cita APA

Magdoff, F., & Weil, R. R. (2004). Soil organic matter in sustainable agriculture. Boca Ratón, Fda: CRC Press.

Citación estilo Chicago

Magdoff, Fred, y Ray R. Weil. Soil Organic Matter in Sustainable Agriculture. Boca Ratón, Fda: CRC Press, 2004.

Cita MLA

Magdoff, Fred, y Ray R. Weil. Soil Organic Matter in Sustainable Agriculture. Boca Ratón, Fda: CRC Press, 2004.