APA-Zitierstil (7. Ausg.)

(1987). Aeromagnetic map of the Iron River 1 ̊x 2 ̊quadrangle, Michigan and Wisconsin. U.S. Geological Survey.

Chicago-Zitierstil (17. Ausg.)

Aeromagnetic Map of the Iron River 1 ̊x 2 ̊quadrangle, Michigan and Wisconsin. Reston, Va: U.S. Geological Survey, 1987.

MLA-Zitierstil (9. Ausg.)

Aeromagnetic Map of the Iron River 1 ̊x 2 ̊quadrangle, Michigan and Wisconsin. U.S. Geological Survey, 1987.