APA-Zitierstil (7. Ausg.)

(1990). Bedrock geologic map of parts of Koochiching, Itasca, and Beltrami counties, North-central Minnesota (corrected version.). Univ. of Minnesota.

Chicago-Zitierstil (17. Ausg.)

Bedrock Geologic Map of Parts of Koochiching, Itasca, and Beltrami Counties, North-central Minnesota. corrected version. St. Paul: Univ. of Minnesota, 1990.

MLA-Zitierstil (9. Ausg.)

Bedrock Geologic Map of Parts of Koochiching, Itasca, and Beltrami Counties, North-central Minnesota. corrected version. Univ. of Minnesota, 1990.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.