APA (7th ed.) Citation

Espenshade, G. H., & Spencer, C. W. (1963). Geology of phosphate deposits of northern peninsular Florida. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Espenshade, Gilbert H., and Charles Winthrop Spencer. Geology of Phosphate Deposits of Northern Peninsular Florida. Washington, D.C.: United States Department of the Interior, Geological Survey, 1963.

MLA (9th ed.) Citation

Espenshade, Gilbert H., and Charles Winthrop Spencer. Geology of Phosphate Deposits of Northern Peninsular Florida. United States Department of the Interior, Geological Survey, 1963.