APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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