APA Citation

Phillips, S. W. (2002). The US Geological Survey and the Chesapeake Bay. US Geological Survey circular 1220.

Chicago Style Citation

Phillips, Scott W. "The US Geological Survey and the Chesapeake Bay." US Geological Survey Circular 1220 2002.

MLA Citation

Phillips, Scott W. "The US Geological Survey and the Chesapeake Bay." US Geological Survey Circular 1220 2002.

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