APA (7th ed.) Citation

Shanker & Rajamanikam. (1998). 220 comprehensive letter writing for all occasions. Composite Study Aid Publications.

Chicago Style (17th ed.) Citation

Shanker and Rajamanikam. 220 Comprehensive Letter Writing for All Occasions. Singapore: Composite Study Aid Publications, 1998.

MLA (8th ed.) Citation

Shanker and Rajamanikam. 220 Comprehensive Letter Writing for All Occasions. Composite Study Aid Publications, 1998.