APA (7th ed.) Citation

Duus, O. F., & Blegen, T. C. (1979). Frontier parsonage: The letters of Olaus Fredrik Duus, Norwegian pastor in Wisconsin, 1855-1858. Arno Press.

Chicago Style (17th ed.) Citation

Duus, Olaus Fredrik, and Theodore Christian Blegen. Frontier Parsonage: The Letters of Olaus Fredrik Duus, Norwegian Pastor in Wisconsin, 1855-1858. New York: Arno Press, 1979.

MLA (9th ed.) Citation

Duus, Olaus Fredrik, and Theodore Christian Blegen. Frontier Parsonage: The Letters of Olaus Fredrik Duus, Norwegian Pastor in Wisconsin, 1855-1858. Arno Press, 1979.