Cita APA (7a ed.)
Kassa, H., Bekele, M., & Campbell, B. M. (2011). Reading the landscape past -update: Explaining the lack of on-farm tree planting in Ethiopia.
Cita Chicago Style (17a ed.)
Kassa, H., M. Bekele, y Bruce M. Campbell. Reading the Landscape Past -update: Explaining the Lack of On-farm Tree Planting in Ethiopia. 2011.
Cita MLA (9a ed.)
Kassa, H., et al. Reading the Landscape Past -update: Explaining the Lack of On-farm Tree Planting in Ethiopia. 2011.
Precaución: Estas citas no son 100% exactas.