APA (7th ed.) Citation

Francis, G., & Thorn, E. (1964). Mountain climbing (2nd ed.). English Universities Press.

Chicago Style (17th ed.) Citation

Francis, Godfrey, and Erik Thorn. Mountain Climbing. 2nd ed. London: English Universities Press, 1964.

MLA (8th ed.) Citation

Francis, Godfrey, and Erik Thorn. Mountain Climbing. 2nd ed. English Universities Press, 1964.