APA (7th ed.) Citation

Vallier, T. L. (1998). Islands & rapids: A geologic story of Hells Canyon. Confluence Press.

Chicago Style (17th ed.) Citation

Vallier, Tracy L. Islands & Rapids: A Geologic Story of Hells Canyon. Lewiston, Idaho: Confluence Press, 1998.

MLA (9th ed.) Citation

Vallier, Tracy L. Islands & Rapids: A Geologic Story of Hells Canyon. Confluence Press, 1998.

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