APA
Hart M., Hart M. G., . (1986). Geomorphology Pure and applied # Geomorphology. London: George Allen & Unwin.
Chicago
Hart M.G, Hart M G, . 1986. Geomorphology Pure and applied # Geomorphology. London: George Allen & Unwin.
Harvard
Hart M., Hart M. G., . (1986). Geomorphology Pure and applied # Geomorphology. London: George Allen & Unwin.
MLA
Hart M.G, Hart M G, . Geomorphology Pure and applied # Geomorphology. London: George Allen & Unwin. 1986.