Bristol quadrangle, Connecticut
MLA
Bristol Quadrangle, Connecticut. 7.5 Minute Series (topographic). [Washington, D.C.]: Geological Survey, 1966
APA, 7th edition
(1966). Bristol quadrangle, Connecticut. 7.5 minute series (topographic). [Washington, D.C.]: Geological Survey
Chicago, 17th edition
Bristol quadrangle, Connecticut. 7.5 minute series (topographic). [Washington, D.C.]: Geological Survey, 1966