Cita APA (7a ed.)
Ma, X., Xu, J., & Qian, J. (2008). Water resource management in a middle mountain watershed.
Cita Chicago Style (17a ed.)
Ma, X., J.C Xu, y J. Qian. Water Resource Management in a Middle Mountain Watershed. 2008.
Cita MLA (9a ed.)
Ma, X., et al. Water Resource Management in a Middle Mountain Watershed. 2008.
Precaución: Estas citas no son 100% exactas.