APA (7th ed.) Citation

Berryhill, H. L., Jr., & Glover, L. (1960). Geology of the Cayey quadrangle, Puerto Rico. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Berryhill, Henry L., Jr., and Lynn Glover. Geology of the Cayey Quadrangle, Puerto Rico. Washington, D.C.: U.S. Geological Survey, 1960.

MLA (9th ed.) Citation

Berryhill, Henry L., Jr., and Lynn Glover. Geology of the Cayey Quadrangle, Puerto Rico. U.S. Geological Survey, 1960.