APA (7th ed.) Citation

Geological Survey (U.S.). (2011). New Gretna quadrangle, New Jersey: 7.5-minute series. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). New Gretna Quadrangle, New Jersey: 7.5-minute Series. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey, 2011.

MLA (9th ed.) Citation

Geological Survey (U.S.). New Gretna Quadrangle, New Jersey: 7.5-minute Series. U.S. Department of the Interior, U.S. Geological Survey, 2011.

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