Earle, K. W. (1936). The geological map: An elementary text book for students of geography and geology. Methuen.
芝加哥风格引文Earle, Kenneth W. The Geological Map: An Elementary Text Book for Students of Geography and Geology. London: Methuen, 1936.
MLA引文Earle, Kenneth W. The Geological Map: An Elementary Text Book for Students of Geography and Geology. Methuen, 1936.
警告:这些引文格式不一定是100%准确.