APA (7th ed.) Citation

Kohut, J. J., Weiss, M. P., & Luft, S. J. (1973). Geologic map of the Laurel quadrangle, Ohio-Kentucky. Geological Survey.

Chicago Style (17th ed.) Citation

Kohut, Joseph J., Malcolm P. Weiss, and Stanley Jeremie Luft. Geologic Map of the Laurel Quadrangle, Ohio-Kentucky. Washington, D.C.: Geological Survey, 1973.

MLA (9th ed.) Citation

Kohut, Joseph J., et al. Geologic Map of the Laurel Quadrangle, Ohio-Kentucky. Geological Survey, 1973.