APA (7th ed.) Citation

Gunaratne, H. (1967). Rocks and minarals of Ceylon. The Department of National Museums.

Chicago Style (17th ed.) Citation

Gunaratne, H.S. Rocks and Minarals of Ceylon. Colombo: The Department of National Museums, 1967.

MLA (9th ed.) Citation

Gunaratne, H.S. Rocks and Minarals of Ceylon. The Department of National Museums, 1967.

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