APA (7th ed.) Citation

British Geomorphological Research Group & Goudie, A. (1981). Geomorphological techniques. Allen & Unwin.

Chicago Style (17th ed.) Citation

British Geomorphological Research Group and Andrew Goudie. Geomorphological Techniques. London Boston: Allen & Unwin, 1981.

MLA (9th ed.) Citation

British Geomorphological Research Group and Andrew Goudie. Geomorphological Techniques. Allen & Unwin, 1981.