APA

Abraham P. C., . (1976). Elements of subsidiary Botany, Vol.01. : St. Mary's Press & Book Depot, Changanacherry.

Chicago

Abraham P C, . 1976. Elements of subsidiary Botany, Vol.01. : St. Mary's Press & Book Depot, Changanacherry.

Harvard

Abraham P. C., . (1976). Elements of subsidiary Botany, Vol.01. : St. Mary's Press & Book Depot, Changanacherry.

MLA

Abraham P C, . Elements of subsidiary Botany, Vol.01. : St. Mary's Press & Book Depot, Changanacherry. 1976.