APA (7th ed.) Citation

McCullagh, P. (1978). Modern concepts in geomorphology. 0.U.Pr..

Chicago Style (17th ed.) Citation

McCullagh, Patrick. Modern Concepts in Geomorphology. Oxford: 0.U.Pr., 1978.

MLA (9th ed.) Citation

McCullagh, Patrick. Modern Concepts in Geomorphology. 0.U.Pr., 1978.