Cita APA (7a ed.)
Sumberg, J., Okali, C., & Carew, B. (1982). A role for small ruminants in sustainable cropping systems in the humid zone of West Africa. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Sumberg, J.E, C. Okali, y B.A.R Carew. A Role for Small Ruminants in Sustainable Cropping Systems in the Humid Zone of West Africa. International Livestock Centre for Africa, 1982.
Cita MLA (9a ed.)
Sumberg, J.E, et al. A Role for Small Ruminants in Sustainable Cropping Systems in the Humid Zone of West Africa. International Livestock Centre for Africa, 1982.
Precaución: Estas citas no son 100% exactas.