APA (7th ed.) Citation

Heinrich, W., Coburn, O., & Lehrburger, U. (1958). The savage mountain. Weidenfeld and Nicolson.

Chicago Style (17th ed.) Citation

Heinrich, Willi, Oliver Coburn, and Ursula Lehrburger. The Savage Mountain. London: Weidenfeld and Nicolson, 1958.

MLA (8th ed.) Citation

Heinrich, Willi, et al. The Savage Mountain. Weidenfeld and Nicolson, 1958.