APA (7th ed.) Citation

Mendis, G. C. Problems oif Ceylon history. The Colombo Apothecaries.

Chicago Style (17th ed.) Citation

Mendis, G. C. Problems Oif Ceylon History. Colombo: The Colombo Apothecaries.

MLA (9th ed.) Citation

Mendis, G. C. Problems Oif Ceylon History. The Colombo Apothecaries.

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