Cita APA (7a ed.)
(1992). Hillside agroecosystem: Andean region: Rio Ovejas watershed. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Hillside Agroecosystem: Andean Region: Rio Ovejas Watershed. International Center for Tropical Agriculture, 1992.
Cita MLA (9a ed.)
Hillside Agroecosystem: Andean Region: Rio Ovejas Watershed. International Center for Tropical Agriculture, 1992.
Precaución: Estas citas no son 100% exactas.