Cita APA (7a ed.)
Knox, A., & Lilja, N. (2004). Farmer research and extension. International Food Policy Research Institute.
Cita Chicago Style (17a ed.)
Knox, Anna, y Nina Lilja. Farmer Research and Extension. International Food Policy Research Institute, 2004.
Cita MLA (9a ed.)
Knox, Anna, y Nina Lilja. Farmer Research and Extension. International Food Policy Research Institute, 2004.
Precaución: Estas citas no son 100% exactas.