APA (7th ed.) Citation

Unsworth, W. (1968). The book of rock climbing / by Walt Unsworth. Barker.

Chicago Style (17th ed.) Citation

Unsworth, Walt. The Book of Rock Climbing / by Walt Unsworth. Barker, 1968.

MLA (9th ed.) Citation

Unsworth, Walt. The Book of Rock Climbing / by Walt Unsworth. Barker, 1968.

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