Cita APA (7a ed.)
Westerhof, R., Vilela, L., Ayarza, M. A., & Zech, W. (1998). Land use effects on labile N extracted with permanganate and the nitrogen management index in the Cerrado region of Brazil. Springer.
Cita Chicago Style (17a ed.)
Westerhof, R., Lourival Vilela, Miguel Angel Ayarza, y W. Zech. Land Use Effects on Labile N Extracted with Permanganate and the Nitrogen Management Index in the Cerrado Region of Brazil. Springer, 1998.
Cita MLA (9a ed.)
Westerhof, R., et al. Land Use Effects on Labile N Extracted with Permanganate and the Nitrogen Management Index in the Cerrado Region of Brazil. Springer, 1998.
Precaución: Estas citas no son 100% exactas.