APA (7th ed.) Citation

Ahlgren, C. E., & Ahlgren, I. (1984). Lob trees in the wilderness. University of Minnesota Press.

Chicago Style (17th ed.) Citation

Ahlgren, C. E., and Isabel Ahlgren. Lob Trees in the Wilderness. Minneapolis: University of Minnesota Press, 1984.

MLA (9th ed.) Citation

Ahlgren, C. E., and Isabel Ahlgren. Lob Trees in the Wilderness. University of Minnesota Press, 1984.