APA
                K.M. Harinikumar, D.J. Bagyaraj Department of Agricultural Microbiology, . (1991). Survival. infectivity, spread and persistence of vesicular arbuscular mycorrhizal fungi. Bangalore: University of Agricultural Sciences, Bangalore.
                
                Chicago
                K.M. Harinikumar, D.J. Bagyaraj Department of Agricultural Microbiology, . 1991. Survival. infectivity, spread and persistence of vesicular arbuscular mycorrhizal fungi. Bangalore: University of Agricultural Sciences, Bangalore.
                
                Harvard
                K.M. Harinikumar, D.J. Bagyaraj Department of Agricultural Microbiology, . (1991). Survival. infectivity, spread and persistence of vesicular arbuscular mycorrhizal fungi. Bangalore: University of Agricultural Sciences, Bangalore.
                
                MLA
                K.M. Harinikumar, D.J. Bagyaraj Department of Agricultural Microbiology, . Survival. infectivity, spread and persistence of vesicular arbuscular mycorrhizal fungi. Bangalore: University of Agricultural Sciences, Bangalore. 1991.