APA (7th ed.) Citation

Watson, C. B. (1909). Prehistoric Siskiyou Island and marble halls of Oregon.

Chicago Style (17th ed.) Citation

Watson, C. B. Prehistoric Siskiyou Island and Marble Halls of Oregon. [Ashland? Or.], 1909.

MLA (8th ed.) Citation

Watson, C. B. Prehistoric Siskiyou Island and Marble Halls of Oregon. 1909.

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