APA (7th ed.) Citation
Southworth, S., & Brezinski, D. Geology of the Harpers Ferry Qudrangle, Virginia, Maryland and West Virginia.
Chicago Style (17th ed.) Citation
Southworth, Scott, and David Brezinski. Geology of the Harpers Ferry Qudrangle, Virginia, Maryland and West Virginia.
MLA (9th ed.) Citation
Southworth, Scott, and David Brezinski. Geology of the Harpers Ferry Qudrangle, Virginia, Maryland and West Virginia.
Warning: These citations may not always be 100% accurate.