APA (7th ed.) Citation

Cotton, C. A. (1944). Volcanoes as landscape forms. Whitcombe & Tombs limited.

Chicago Style (17th ed.) Citation

Cotton, C. A. Volcanoes as Landscape Forms. Christchurch, N. Z., London [etc.]: Whitcombe & Tombs limited, 1944.

MLA (9th ed.) Citation

Cotton, C. A. Volcanoes as Landscape Forms. Whitcombe & Tombs limited, 1944.