APA (7th ed.) Citation
Urrea, C. A., & Singh, S. (1991). Variation for leaflet shape in wild and cultivated landraces of common bean.
Chicago Style (17th ed.) Citation
Urrea, Carlos A., and S.P Singh. Variation for Leaflet Shape in Wild and Cultivated Landraces of Common Bean. 1991.
MLA (9th ed.) Citation
Urrea, Carlos A., and S.P Singh. Variation for Leaflet Shape in Wild and Cultivated Landraces of Common Bean. 1991.
Warning: These citations may not always be 100% accurate.