Cita APA (7a ed.)
Velarde, S., Porro, R., & Amegger, M. (2008). Amazon student exchange and collaboration. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Velarde, S.J, R. Porro, y M. Amegger. Amazon Student Exchange and Collaboration. International Center for Tropical Agriculture, 2008.
Cita MLA (9a ed.)
Velarde, S.J, et al. Amazon Student Exchange and Collaboration. International Center for Tropical Agriculture, 2008.
Precaución: Estas citas no son 100% exactas.