APA
                R Sudheendra, M Uday Kumar Crop Physiology, . (1985). Genotypes variation in growth characterstics and nitrogen reduction in rice (Oryza sativa L.) Under upland conditions. Bangalore: University of Agricultural Sciences, Bangalore.
                
                Chicago
                R Sudheendra, M Uday Kumar Crop Physiology, . 1985. Genotypes variation in growth characterstics and nitrogen reduction in rice (Oryza sativa L.) Under upland conditions. Bangalore: University of Agricultural Sciences, Bangalore.
                
                Harvard
                R Sudheendra, M Uday Kumar Crop Physiology, . (1985). Genotypes variation in growth characterstics and nitrogen reduction in rice (Oryza sativa L.) Under upland conditions. Bangalore: University of Agricultural Sciences, Bangalore.
                
                MLA
                R Sudheendra, M Uday Kumar Crop Physiology, . Genotypes variation in growth characterstics and nitrogen reduction in rice (Oryza sativa L.) Under upland conditions. Bangalore: University of Agricultural Sciences, Bangalore. 1985.