Cita APA (7a ed.)

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.

Cita Chicago Style (17a ed.)

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.

Cita MLA (8a ed.)

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.