APA
                Annappa N Bagali, N C Hulamani Horticulture, . (1990). Studies on the effect of foliar application of zinc, magnesiujm and boron on growth, yield and quality of guava (Psidium guajava. Dharwad: University of Agricultural Sciences, Dharwad.
                
                Chicago
                Annappa N Bagali, N C Hulamani Horticulture, . 1990. Studies on the effect of foliar application of zinc, magnesiujm and boron on growth, yield and quality of guava (Psidium guajava. Dharwad: University of Agricultural Sciences, Dharwad.
                
                Harvard
                Annappa N Bagali, N C Hulamani Horticulture, . (1990). Studies on the effect of foliar application of zinc, magnesiujm and boron on growth, yield and quality of guava (Psidium guajava. Dharwad: University of Agricultural Sciences, Dharwad.
                
                MLA
                Annappa N Bagali, N C Hulamani Horticulture, . Studies on the effect of foliar application of zinc, magnesiujm and boron on growth, yield and quality of guava (Psidium guajava. Dharwad: University of Agricultural Sciences, Dharwad. 1990.