APA (7th ed.) Citation

Louisiana Geological Survey, Geological Survey (U.S.), Snead, J., McCulloh, R. P., Pope, D. E., & Fournerat, W. M. (1984). Geologic map of Louisiana, 1984. The Survey.

Chicago Style (17th ed.) Citation

Louisiana Geological Survey, Geological Survey (U.S.), John Snead, Richard P. McCulloh, David E. Pope, and William M. Fournerat. Geologic Map of Louisiana, 1984. Baton Rouge, LA.: The Survey, 1984.

MLA (9th ed.) Citation

Louisiana Geological Survey, et al. Geologic Map of Louisiana, 1984. The Survey, 1984.