Citação norma APA

(1987). Soil fertility and organic matter as critial components of production systems. Madison, USA: Soil Science Society of America, Inc.

Citação norma Chicago

Soil Fertility and Organic Matter As Critial Components of Production Systems. Madison, USA: Soil Science Society of America, Inc, 1987.

Citação norma MLA

Soil Fertility and Organic Matter As Critial Components of Production Systems. Madison, USA: Soil Science Society of America, Inc, 1987.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.