Cita APA (7th ed.)

Björklund, P. A., & Mello, F. V. (2012). Soil organic matter: Ecology, environmental impact and management. Nova Science Publishers, Inc..

Cita Chicago (17th ed.)

Björklund, Pedro A., i Frederick V. Mello. Soil Organic Matter: Ecology, Environmental Impact and Management. New York: Nova Science Publishers, Inc., 2012.

Cita MLA (9th ed.)

Björklund, Pedro A., i Frederick V. Mello. Soil Organic Matter: Ecology, Environmental Impact and Management. Nova Science Publishers, Inc., 2012.