APA (7th ed.) Citation

Werenskiold, W., & Oftedal, I. W. (1922). A burning coal seam at Mt. Pyramide, Spitsbergen. Dybwad.

Chicago Style (17th ed.) Citation

Werenskiold, Werner, and Ivar W. Oftedal. A Burning Coal Seam at Mt. Pyramide, Spitsbergen. Kristiania: Dybwad, 1922.

MLA (9th ed.) Citation

Werenskiold, Werner, and Ivar W. Oftedal. A Burning Coal Seam at Mt. Pyramide, Spitsbergen. Dybwad, 1922.