APA (7th ed.) Citation

(1976). Population problems of Sri Lanka. University of Sri Lanka, Research Unit.

Chicago Style (17th ed.) Citation

Population Problems of Sri Lanka. Colombo: University of Sri Lanka, Research Unit, 1976.

MLA (9th ed.) Citation

Population Problems of Sri Lanka. University of Sri Lanka, Research Unit, 1976.

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