APA (7th ed.) Citation

Sangarappillai, P. A plan for Ceylon. Ola Books.

Chicago Style (17th ed.) Citation

Sangarappillai, P. A Plan for Ceylon. Colombo: Ola Books.

MLA (9th ed.) Citation

Sangarappillai, P. A Plan for Ceylon. Ola Books.

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