APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Earle, Kenneth W. The Geological Map: An Elementary Taxt Book for Students of Geography and Geology. London: Methuen, 1936.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Earle, Kenneth W. The Geological Map: An Elementary Taxt Book for Students of Geography and Geology. Methuen, 1936.