APA (7th ed.) Citation

Geological Survey, Balsley, J. R., & Petrafeso, F. A. (1967). Aeromagnetic map of Iron River and vicinity, Michigan and Wisconsin. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey, J. R. Balsley, and F. A. Petrafeso. Aeromagnetic Map of Iron River and Vicinity, Michigan and Wisconsin. Washington, D.C.: The Survey, 1967.

MLA (8th ed.) Citation

Geological Survey, et al. Aeromagnetic Map of Iron River and Vicinity, Michigan and Wisconsin. The Survey, 1967.