APA (7th ed.) Citation

Clark, R. (1949). The early Alpine guides / by R. Clark. Phoenix.

Chicago Style (17th ed.) Citation

Clark, R. The Early Alpine Guides / by R. Clark. Phoenix, 1949.

MLA (9th ed.) Citation

Clark, R. The Early Alpine Guides / by R. Clark. Phoenix, 1949.

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