Romano, C., & Theisen, A. (2015). Day hiking Mount St. Helens: National Volcanic Monument : nature trails, winter routes, summit (First edition.). Mountaineers Books.
Style de citation Chicago (17e éd.)Romano, Craig, et Aaron Theisen. Day Hiking Mount St. Helens: National Volcanic Monument : Nature Trails, Winter Routes, Summit. First edition. Seattle: Mountaineers Books, 2015.
Style de citation MLA (8e éd.)Romano, Craig, et Aaron Theisen. Day Hiking Mount St. Helens: National Volcanic Monument : Nature Trails, Winter Routes, Summit. First edition. Mountaineers Books, 2015.
Attention : ces citations peuvent ne pas être correctes à 100%.