Cita APA

Magdoff, F. 1., & Weil, R. R. 1. (2004). Soil organic matter in sustainable agriculture. Boca Raton: CRC.

Citación estilo Chicago

Magdoff, Fred 1942-, y Raymond R. 1948- Weil. Soil Organic Matter in Sustainable Agriculture. Boca Raton: CRC, 2004.

Cita MLA

Magdoff, Fred 1942-, y Raymond R. 1948- Weil. Soil Organic Matter in Sustainable Agriculture. Boca Raton: CRC, 2004.