APA (7th ed.) Citation

Bowles, O. (1918). The structural and ornamental stones of Minnesota. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Bowles, Oliver. The Structural and Ornamental Stones of Minnesota. [Washington, D.C.]: Department of the Interior, United States Geological Survey, 1918.

MLA (9th ed.) Citation

Bowles, Oliver. The Structural and Ornamental Stones of Minnesota. Department of the Interior, United States Geological Survey, 1918.

Warning: These citations may not always be 100% accurate.