APA (7th ed.) Citation

Ellis, G. J., & Stevenson, C. (1998). Dating Sardinian Archaeological Obsidian.

Chicago Style (17th ed.) Citation

Ellis, Grace J., and Christopher Stevenson. Dating Sardinian Archaeological Obsidian. 1998.

MLA (9th ed.) Citation

Ellis, Grace J., and Christopher Stevenson. Dating Sardinian Archaeological Obsidian. 1998.

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