Cita APA (7a ed.)
Bartl, K., Gómez, C., Hess, H., Mayer, A., Kreuzer, M., & Holmann, F. J. (2007). Costs and benefits of traditional and improved dry season feeding systems of dairy cattle for smallholder farmers in the Peruvian Andes. University of Kassel.
Cita Chicago Style (17a ed.)
Bartl, K., C.A Gómez, H.D Hess, AC Mayer, M. Kreuzer, y Federico J. Holmann. Costs and Benefits of Traditional and Improved Dry Season Feeding Systems of Dairy Cattle for Smallholder Farmers in the Peruvian Andes. University of Kassel, 2007.
Cita MLA (9a ed.)
Bartl, K., et al. Costs and Benefits of Traditional and Improved Dry Season Feeding Systems of Dairy Cattle for Smallholder Farmers in the Peruvian Andes. University of Kassel, 2007.
Precaución: Estas citas no son 100% exactas.