APA (7th ed.) Citation

Spengler, R. W. (1978). Geologic map of the Seitz quadrangle, eastern Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Spengler, Richard W. Geologic Map of the Seitz Quadrangle, Eastern Kentucky. Reston, Va.: U.S. Geological Survey, 1978.

MLA (9th ed.) Citation

Spengler, Richard W. Geologic Map of the Seitz Quadrangle, Eastern Kentucky. U.S. Geological Survey, 1978.

Warning: These citations may not always be 100% accurate.