Cita APA (7a ed.)
Rivera Peña, M., Amézquita Collazos, E., & Rao, I. M. (2009). Reducing erosion and improving crop water productivity: Quesungual slash and mulch agroforestry system (QSMAS). International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Rivera Peña, Mariela, Edgar Amézquita Collazos, y Idupulapati M. Rao. Reducing Erosion and Improving Crop Water Productivity: Quesungual Slash and Mulch Agroforestry System (QSMAS). International Center for Tropical Agriculture, 2009.
Cita MLA (9a ed.)
Rivera Peña, Mariela, et al. Reducing Erosion and Improving Crop Water Productivity: Quesungual Slash and Mulch Agroforestry System (QSMAS). International Center for Tropical Agriculture, 2009.
Precaución: Estas citas no son 100% exactas.