APA (7th ed.) Citation

Engel, C. E. (1950). A history of mountaineering in the Alps / by C.E. Engel. Allen and Unwin.

Chicago Style (17th ed.) Citation

Engel, C. E. A History of Mountaineering in the Alps / by C.E. Engel. Allen and Unwin, 1950.

MLA (9th ed.) Citation

Engel, C. E. A History of Mountaineering in the Alps / by C.E. Engel. Allen and Unwin, 1950.

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