Citação norma APA

Jan Verhagen. (1997). Spatial soil variability as a guiding principle in nitrogen management. The Netherland: Wageningen University.

Citação norma Chicago

Jan Verhagen. Spatial Soil Variability As a Guiding Principle in Nitrogen Management. The Netherland: Wageningen University, 1997.

Citação norma MLA

Jan Verhagen. Spatial Soil Variability As a Guiding Principle in Nitrogen Management. The Netherland: Wageningen University, 1997.

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