Cita APA (7a ed.)
Singh, U., Ladha, J., Castillo, E., Punzalan, G., Tirol-Padre, A., & Duqueza, M. (1998). Genotypic variation in nitrogen use efficiency in medium- and long-duration rice. Elsevier.
Cita Chicago Style (17a ed.)
Singh, U., J.K Ladha, E.G Castillo, G. Punzalan, A. Tirol-Padre, y M. Duqueza. Genotypic Variation in Nitrogen Use Efficiency in Medium- and Long-duration Rice. Elsevier, 1998.
Cita MLA (9a ed.)
Singh, U., et al. Genotypic Variation in Nitrogen Use Efficiency in Medium- and Long-duration Rice. Elsevier, 1998.
Precaución: Estas citas no son 100% exactas.