APA (7th ed.) Citation

Unsworth, W. (1975). Encyclopaedia of mountaineering. Robert Hale ; St. Martin's Press.

Chicago Style (17th ed.) Citation

Unsworth, Walt. Encyclopaedia of Mountaineering. London : New York: Robert Hale ; St. Martin's Press, 1975.

MLA (8th ed.) Citation

Unsworth, Walt. Encyclopaedia of Mountaineering. Robert Hale ; St. Martin's Press, 1975.

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