Cita APA

Veldkamp, I. (1992). Soil fertility. Wageningen (The Netherlands):.

Citación estilo Chicago

Veldkamp, I. Soil Fertility. Wageningen (The Netherlands):, 1992.

Cita MLA

Veldkamp, I. Soil Fertility. Wageningen (The Netherlands):, 1992.

Precaución: Estas citas no son 100% exactas.