APA (7th ed.) Citation

Tykot, R. H., & Chia, A. P. D. S. (1997). Long-Distance Obsidian Trade In Indonesia.

Chicago Style (17th ed.) Citation

Tykot, Robert H., and Assoc Prof. Dr. Stephen Chia. Long-Distance Obsidian Trade In Indonesia. 1997.

MLA (9th ed.) Citation

Tykot, Robert H., and Assoc Prof. Dr. Stephen Chia. Long-Distance Obsidian Trade In Indonesia. 1997.

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