APA引文

Earle, K. W. (1936). The geological map: An elementary text book for students of geography and geology. Methuen.

Chicago Style (17th ed.) Citation

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.