Cita APA (7a ed.)
Nicholson, M., & Butterworth, M. (1986). A guide to condition scoring of zebu cattle. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Nicholson, M.J, y M.H Butterworth. A Guide to Condition Scoring of Zebu Cattle. International Livestock Centre for Africa, 1986.
Cita MLA (9a ed.)
Nicholson, M.J, y M.H Butterworth. A Guide to Condition Scoring of Zebu Cattle. International Livestock Centre for Africa, 1986.
Precaución: Estas citas no son 100% exactas.