APA (7th ed.) Citation

Geological Survey (U.S.), Campbell, D. L., & Wallace, A. R. (1986). Aeromagnetic map of the Holy Cross Wilderness Area, Eagle, Lake, and Pitkin counties, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), David L. Campbell, and Alan R. Wallace. Aeromagnetic Map of the Holy Cross Wilderness Area, Eagle, Lake, and Pitkin Counties, Colorado. Reston, Va.: The Survey, 1986.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Aeromagnetic Map of the Holy Cross Wilderness Area, Eagle, Lake, and Pitkin Counties, Colorado. The Survey, 1986.