APA (7th ed.) Citation

Gallaher, J. T. (1973). Summary, ground-water resources of Allegheny County, Pennsylvania. Pennsylvania Geological Survey.

Chicago Style (17th ed.) Citation

Gallaher, John T. Summary, Ground-water Resources of Allegheny County, Pennsylvania. Harrisburg: Pennsylvania Geological Survey, 1973.

MLA (9th ed.) Citation

Gallaher, John T. Summary, Ground-water Resources of Allegheny County, Pennsylvania. Pennsylvania Geological Survey, 1973.

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