APA (7th ed.) Citation

Berg, K., & Berg, H. (1973). Greenland through the year. Scroll Press.

Chicago Style (17th ed.) Citation

Berg, Karin, and Hans Berg. Greenland Through the Year. New York: Scroll Press, 1973.

MLA (9th ed.) Citation

Berg, Karin, and Hans Berg. Greenland Through the Year. Scroll Press, 1973.