Cita APA (7a ed.)
Corra, M., & Bille, J. (1986). Nitrogen and phosphorus in the ecosystems of Sidamo. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Corra, M., y Jean-Claude Bille. Nitrogen and Phosphorus in the Ecosystems of Sidamo. International Livestock Centre for Africa, 1986.
Cita MLA (9a ed.)
Corra, M., y Jean-Claude Bille. Nitrogen and Phosphorus in the Ecosystems of Sidamo. International Livestock Centre for Africa, 1986.
Precaución: Estas citas no son 100% exactas.