APA (7th ed.) Citation

Geological Survey, Hildenbrand, T. G., & Ohio. Division of Geological Survey. (1988). Gravity anomaly maps of Ohio. U.S. Geological Survey ; For sale by Branch of Distribution.

Chicago Style (17th ed.) Citation

Geological Survey, T. G. Hildenbrand, and Ohio. Division of Geological Survey. Gravity Anomaly Maps of Ohio. Reston, Va. : Arlington, VA: U.S. Geological Survey ; For sale by Branch of Distribution, 1988.

MLA (8th ed.) Citation

Geological Survey, et al. Gravity Anomaly Maps of Ohio. U.S. Geological Survey ; For sale by Branch of Distribution, 1988.