APA引文

Virkkala, K. (1951). Glacial geology of the Suomussalmi area, East Finland. Government Press.

Chicago Style (17th ed.) Citation

Virkkala, Kalevi. Glacial Geology of the Suomussalmi Area, East Finland. Helsinki: Government Press, 1951.

MLA引文

Virkkala, Kalevi. Glacial Geology of the Suomussalmi Area, East Finland. Government Press, 1951.