APA (7th ed.) Citation

Cullingford, R. (1980). Timescales in geomorphology. John Wiley and Sons.

Chicago Style (17th ed.) Citation

Cullingford, R.A. Timescales in Geomorphology. New York: John Wiley and Sons, 1980.

MLA (9th ed.) Citation

Cullingford, R.A. Timescales in Geomorphology. John Wiley and Sons, 1980.