APA (7th ed.) Citation

T.N Punjaksharam. (1998). Practise your Preposition. St.Joseph's Catholic Press.

Chicago Style (17th ed.) Citation

T.N Punjaksharam. Practise Your Preposition. Jaffna: St.Joseph's Catholic Press, 1998.

MLA (9th ed.) Citation

T.N Punjaksharam. Practise Your Preposition. St.Joseph's Catholic Press, 1998.

Warning: These citations may not always be 100% accurate.