APA
                P.H. Shivakumara Swamy, M. Mahadevappa Department of Agricultural Botany, . (1987). Variability and assoication analyses and formulation of selection indices for grain yield in rice [Oryza sativa L.] Under low te. Bangalore: University of Agricultural Sciences, Bangalore.
                
                Chicago
                P.H. Shivakumara Swamy, M. Mahadevappa Department of Agricultural Botany, . 1987. Variability and assoication analyses and formulation of selection indices for grain yield in rice [Oryza sativa L.] Under low te. Bangalore: University of Agricultural Sciences, Bangalore.
                
                Harvard
                P.H. Shivakumara Swamy, M. Mahadevappa Department of Agricultural Botany, . (1987). Variability and assoication analyses and formulation of selection indices for grain yield in rice [Oryza sativa L.] Under low te. Bangalore: University of Agricultural Sciences, Bangalore.
                
                MLA
                P.H. Shivakumara Swamy, M. Mahadevappa Department of Agricultural Botany, . Variability and assoication analyses and formulation of selection indices for grain yield in rice [Oryza sativa L.] Under low te. Bangalore: University of Agricultural Sciences, Bangalore. 1987.