Williams, C. (1988). Mount St. Helens National Volcanic Monument: A pocket guide for hikers, viewers, and skiers. Mountaineers.
Chicago Style (17th ed.) CitationWilliams, Chuck. Mount St. Helens National Volcanic Monument: A Pocket Guide for Hikers, Viewers, and Skiers. Seattle: Mountaineers, 1988.
MLA引文Williams, Chuck. Mount St. Helens National Volcanic Monument: A Pocket Guide for Hikers, Viewers, and Skiers. Mountaineers, 1988.
警告:這些引文格式不一定是100%准確.