APA (7th ed.) Citation

(1976). Population problems of Sri Lanka. University Demographic Training & Research Unit.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Population Problems of Sri Lanka. University Demographic Training & Research Unit, 1976.

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