Cita APA (7a ed.)
Bourn, D., Denda, I., Ridder, N. d., Wagenaar, K., & Wint, W. (1987). Where have all the livestock gone? International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Bourn, D.M, I. Denda, N.A. de Ridder, K.T Wagenaar, y W. Wint. Where Have All the Livestock Gone? International Livestock Centre for Africa, 1987.
Cita MLA (9a ed.)
Bourn, D.M, et al. Where Have All the Livestock Gone? International Livestock Centre for Africa, 1987.
Precaución: Estas citas no son 100% exactas.