APA-viite (7. p.)

PITTY, A. F. (1982). The nature of geomorphology. Methuen.

Chicago-viite (17. p.)

PITTY, Alistair F. The Nature of Geomorphology. London: Methuen, 1982.

MLA-viite (9. p.)

PITTY, Alistair F. The Nature of Geomorphology. Methuen, 1982.