APA (7th ed.) Citation

Calver, J. L., Hobbs, C. R. B., Milici, R. C., Spiker, C. T., & Wilson, J. M. (1963). Geologic map of Virginia. Dept. of Conservation and Economic Development, Division of Mineral Resources.

Chicago Style (17th ed.) Citation

Calver, James L., C. R. B. Hobbs, Robert C. Milici, Carlisle T. Spiker, and John M. Wilson. Geologic Map of Virginia. [Richmond]: Dept. of Conservation and Economic Development, Division of Mineral Resources, 1963.

MLA (9th ed.) Citation

Calver, James L., et al. Geologic Map of Virginia. Dept. of Conservation and Economic Development, Division of Mineral Resources, 1963.