Bolton, J. (1962). Alfalfa: Botany, cultivation, and utilization. Hill ; Interscience.
Cita Chicago Style (17a ed.)Bolton, J.L. Alfalfa: Botany, Cultivation, and Utilization. London : New York: Hill ; Interscience, 1962.
Cita MLA (9a ed.)Bolton, J.L. Alfalfa: Botany, Cultivation, and Utilization. Hill ; Interscience, 1962.
Precaución: Estas citas no son 100% exactas.