APA (7th ed.) Citation

Williams, C. (1988). Mount St. Helens National Volcanic Monument: A pocket guide for hikers, viewers, and skiers. Mountaineers.

Chicago Style (17th ed.) Citation

Williams, Chuck. Mount St. Helens National Volcanic Monument: A Pocket Guide for Hikers, Viewers, and Skiers. Seattle: Mountaineers, 1988.

MLA (8th ed.) Citation

Williams, Chuck. Mount St. Helens National Volcanic Monument: A Pocket Guide for Hikers, Viewers, and Skiers. Mountaineers, 1988.

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