APA (7th ed.) Citation

Hoel, A. (1925). The coal deposits and coal mining of Svalbard (Spitsbergen and Bear Island).

Chicago Style (17th ed.) Citation

Hoel, Adolf. The Coal Deposits and Coal Mining of Svalbard (Spitsbergen and Bear Island). 1925.

MLA (9th ed.) Citation

Hoel, Adolf. The Coal Deposits and Coal Mining of Svalbard (Spitsbergen and Bear Island). 1925.

Warning: These citations may not always be 100% accurate.