APA (7th ed.) Citation

Lewis, C. A. (1970). The glaciations of Wales and adjoining regions. Longman.

Chicago Style (17th ed.) Citation

Lewis, Colin A. The Glaciations of Wales and Adjoining Regions. London: Longman, 1970.

MLA (9th ed.) Citation

Lewis, Colin A. The Glaciations of Wales and Adjoining Regions. Longman, 1970.

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