APA
Holmer M., . (1926). bird study in india. London: Oxford University Press.
Chicago
Holmer M.R.N, . 1926. bird study in india. London: Oxford University Press.
Harvard
Holmer M., . (1926). bird study in india. London: Oxford University Press.
MLA
Holmer M.R.N, . bird study in india. London: Oxford University Press. 1926.