APA (7th ed.) Citation

Deraniyagala, S. U. (1992). The prehistory of Sri Lanka: An ecological perspective. Dept. of Archaeological Survey, Govt. of Sri Lanka.

Chicago Style (17th ed.) Citation

Deraniyagala, S. U. The Prehistory of Sri Lanka: An Ecological Perspective. [Colombo]: Dept. of Archaeological Survey, Govt. of Sri Lanka, 1992.

MLA (9th ed.) Citation

Deraniyagala, S. U. The Prehistory of Sri Lanka: An Ecological Perspective. Dept. of Archaeological Survey, Govt. of Sri Lanka, 1992.