APA ציטוט

Unsworth, W. (1981). Everest: A mountaineering history. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Unsworth, Walt. Everest: A Mountaineering History. Boston: Houghton Mifflin, 1981.

ציטוט MLA

Unsworth, Walt. Everest: A Mountaineering History. Houghton Mifflin, 1981.