Cita APA (7a ed.)
Martínez-Torres, M. E. (2006). Organic coffee: Sustainable development by Mayan farmers. Ohio University Center for International Studies.
Cita Chicago Style (17a ed.)
Martínez-Torres, Maria Elena. Organic Coffee: Sustainable Development by Mayan Farmers. Athens, Ohio: Ohio University Center for International Studies, 2006.
Cita MLA (9a ed.)
Martínez-Torres, Maria Elena. Organic Coffee: Sustainable Development by Mayan Farmers. Ohio University Center for International Studies, 2006.
Precaución: Estas citas no son 100% exactas.