Cita APA (7a ed.)
Singh, S., Debouck, D. G., & Urrea, C. A. (1990). Variation for bracteoles and its association with races of common bean.
Cita Chicago Style (17a ed.)
Singh, S.P, Daniel G. Debouck, y Carlos A. Urrea. Variation for Bracteoles and Its Association with Races of Common Bean. 1990.
Cita MLA (9a ed.)
Singh, S.P, et al. Variation for Bracteoles and Its Association with Races of Common Bean. 1990.
Precaución: Estas citas no son 100% exactas.