Cita APA (7a ed.)
Kaufmann, R. R. v. (1980). Progress to date and plan for 1980. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Kaufmann, Ralph R. von. Progress to Date and Plan for 1980. International Livestock Centre for Africa, 1980.
Cita MLA (9a ed.)
Kaufmann, Ralph R. von. Progress to Date and Plan for 1980. International Livestock Centre for Africa, 1980.
Precaución: Estas citas no son 100% exactas.