PITTY, A. F. (1982). The nature of geomorphology. Methuen.
芝加哥风格引文PITTY, Alistair F. The Nature of Geomorphology. London: Methuen, 1982.
MLA引文PITTY, Alistair F. The Nature of Geomorphology. Methuen, 1982.
警告：这些引文格式不一定是100％准确.
APA引文