Cita APA (7a ed.)
Calzadilla, A., Zhu, T., Rehdanz, K., Tol, R., & Ringler, C. (2009). Economy-wide impacts of climate change on agriculture in sub-Saharan Africa. Hamburg University.
Cita Chicago Style (17a ed.)
Calzadilla, Alvaro, T. Zhu, Katrin Rehdanz, R.S.J Tol, y Claudia Ringler. Economy-wide Impacts of Climate Change on Agriculture in Sub-Saharan Africa. Hamburg University, 2009.
Cita MLA (9a ed.)
Calzadilla, Alvaro, et al. Economy-wide Impacts of Climate Change on Agriculture in Sub-Saharan Africa. Hamburg University, 2009.
Precaución: Estas citas no son 100% exactas.