APA (7th ed.) Citation

British Geomorphological Research Group, Cullingford, R. A., Davidson, D. A., & Lewin, J. (1980). Timescales in geomorphology. J. Wiley.

Chicago Style (17th ed.) Citation

British Geomorphological Research Group, R. A. Cullingford, Donald A. Davidson, and J. Lewin. Timescales in Geomorphology. Chichester [England] ; New York: J. Wiley, 1980.

MLA (9th ed.) Citation

British Geomorphological Research Group, et al. Timescales in Geomorphology. J. Wiley, 1980.