Cita APA (7th ed.)
Orvin, A. K. (1934). Geology of the Kings Bay region, Spitsbergen: With special reference to the coal deposits. Dybwad in Komm.
Cita Chicago (17th ed.)
Orvin, Anders K. Geology of the Kings Bay Region, Spitsbergen: With Special Reference to the Coal Deposits. Oslo: Dybwad in Komm, 1934.
Cita MLA (9th ed.)
Orvin, Anders K. Geology of the Kings Bay Region, Spitsbergen: With Special Reference to the Coal Deposits. Dybwad in Komm, 1934.
Atenció: Aquestes cites poden no estar 100% correctes.