Cita APA (7a ed.)
Kaufmann, R. R. v., Chater, S., & Blench, R. (1986). Livestock systems research in Nigeria's subhumid zone. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Kaufmann, Ralph R. von, S. Chater, y Roger Blench. Livestock Systems Research in Nigeria's Subhumid Zone. International Livestock Centre for Africa, 1986.
Cita MLA (9a ed.)
Kaufmann, Ralph R. von, et al. Livestock Systems Research in Nigeria's Subhumid Zone. International Livestock Centre for Africa, 1986.
Precaución: Estas citas no son 100% exactas.