APA-Zitierstil (7. Ausg.)

Halsey, J. R. (2018). Prehistoric copper mining in Michigan: The nineteenth-century discovery of "ancient diggings" in the Keweenaw Peninsula and Isle Royale. University of Michigan.

Chicago-Zitierstil (17. Ausg.)

Halsey, John R. Prehistoric Copper Mining in Michigan: The Nineteenth-century Discovery of "Ancient Diggings" in the Keweenaw Peninsula and Isle Royale. Ann Arbor, Michigan: University of Michigan, 2018.

MLA-Zitierstil (9. Ausg.)

Halsey, John R. Prehistoric Copper Mining in Michigan: The Nineteenth-century Discovery of "Ancient Diggings" in the Keweenaw Peninsula and Isle Royale. University of Michigan, 2018.