Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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