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

APA Citation Edition Citation

Alden, W. C. (1918). The Quaternary geology of southeastern Wisconsin: With a chapter on the older rock formations. Govt. print. off..

Chicago Citation Edition Citation

Alden, William C. The Quaternary Geology of Southeastern Wisconsin: With a Chapter on the Older Rock Formations. Washington, D.C.: Govt. print. off., 1918.

MLA Citation Edition Citation

Alden, William C. The Quaternary Geology of Southeastern Wisconsin: With a Chapter on the Older Rock Formations. Govt. print. off., 1918.