Cita APA (7a ed.)
Fritschel, H., Vivalo, J., & Hallowell, C. (2012). Farming Smarter: The uphill push toward conservation agriculture. International Food Policy Research Institute.
Cita Chicago Style (17a ed.)
Fritschel, Heidi, Julia Vivalo, y Carolyn Hallowell. Farming Smarter: The Uphill Push Toward Conservation Agriculture. International Food Policy Research Institute, 2012.
Cita MLA (9a ed.)
Fritschel, Heidi, et al. Farming Smarter: The Uphill Push Toward Conservation Agriculture. International Food Policy Research Institute, 2012.
Precaución: Estas citas no son 100% exactas.