APA (7th ed.) Citation

Wahl, T. E., Kuhns, M. J., & Morey, G. B. (1985). Geologic map index of Minnesota (2. ed.). Univ. of Minnesota, Minnesota Geolog. Survey.

Chicago Style (17th ed.) Citation

Wahl, Timothy E., Mary J. Kuhns, and Glenn B. Morey. Geologic Map Index of Minnesota. 2. ed. St. Paul, Minn: Univ. of Minnesota, Minnesota Geolog. Survey, 1985.

MLA (9th ed.) Citation

Wahl, Timothy E., et al. Geologic Map Index of Minnesota. 2. ed. Univ. of Minnesota, Minnesota Geolog. Survey, 1985.