APA
Singh B D,, . (2011). Genetics. New Delhi: Kalyani Publishers.
Chicago
Singh B D,, . 2011. Genetics. New Delhi: Kalyani Publishers.
Harvard
Singh B D,, . (2011). Genetics. New Delhi: Kalyani Publishers.
MLA
Singh B D,, . Genetics. New Delhi: Kalyani Publishers. 2011.