Cita APA (7a ed.)
Horton, D. (1986). Farming systems research: Twelve lessons from the Mantaro Valley Project. Elsevier.
Cita Chicago Style (17a ed.)
Horton, Douglas. Farming Systems Research: Twelve Lessons from the Mantaro Valley Project. Elsevier, 1986.
Cita MLA (9a ed.)
Horton, Douglas. Farming Systems Research: Twelve Lessons from the Mantaro Valley Project. Elsevier, 1986.
Precaución: Estas citas no son 100% exactas.