APA (7th ed.) Citation

Delaware Geological Survey. (1957). Report of investigations. State of Delaware, Delaware Geological Survey.

Chicago Style (17th ed.) Citation

Delaware Geological Survey. Report of Investigations. Newark, Del.: State of Delaware, Delaware Geological Survey, 1957.

MLA (9th ed.) Citation

Delaware Geological Survey. Report of Investigations. State of Delaware, Delaware Geological Survey, 1957.

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