APA (7th ed.) Citation

Wood, G. H., & Trexler, J. P. (1968). Geologic maps of anthracite-bearing rocks in the west-central part of the southern anthracite field, Pennsylvania, western area. The Survey.

Chicago Style (17th ed.) Citation

Wood, Gordon H., and J. Peter Trexler. Geologic Maps of Anthracite-bearing Rocks in the West-central Part of the Southern Anthracite Field, Pennsylvania, Western Area. Washington, D.C.: The Survey, 1968.

MLA (8th ed.) Citation

Wood, Gordon H., and J. Peter Trexler. Geologic Maps of Anthracite-bearing Rocks in the West-central Part of the Southern Anthracite Field, Pennsylvania, Western Area. The Survey, 1968.