Cita APA (7a ed.)
Singh, S. (1977). Cowpea cultivars resistant to insect pests in world germplasm collection.
Cita Chicago Style (17a ed.)
Singh, S.R. Cowpea Cultivars Resistant to Insect Pests in World Germplasm Collection. 1977.
Cita MLA (9a ed.)
Singh, S.R. Cowpea Cultivars Resistant to Insect Pests in World Germplasm Collection. 1977.
Precaución: Estas citas no son 100% exactas.