Cita APA (7a ed.)
Urrea, C. A., & Singh, S. (1991). Variation for leaflet shape in wild and cultivated landraces of common bean.
Cita Chicago Style (17a ed.)
Urrea, Carlos A., y S.P Singh. Variation for Leaflet Shape in Wild and Cultivated Landraces of Common Bean. 1991.
Cita MLA (9a ed.)
Urrea, Carlos A., y S.P Singh. Variation for Leaflet Shape in Wild and Cultivated Landraces of Common Bean. 1991.
Precaución: Estas citas no son 100% exactas.