APA (7 ম সংস্করণ) উদ্ধৃতি

Sturkell, E. (1998). The origin of the marine Lockne impact structure, Jämtland. Dept. of Geology and Geochemistry, Stockholm University.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Sturkell, Erik. The Origin of the Marine Lockne Impact Structure, Jämtland. Stockholm, Sweden: Dept. of Geology and Geochemistry, Stockholm University, 1998.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Sturkell, Erik. The Origin of the Marine Lockne Impact Structure, Jämtland. Dept. of Geology and Geochemistry, Stockholm University, 1998.