APA (7th ed.) Citation

Geological Survey (U.S.) & National Ocean Survey. (1994). Chatham, Massachusetts, 1993: 1:100 000-scale metric topographic map : 30 x 60 minute series (topographic). U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and National Ocean Survey. Chatham, Massachusetts, 1993: 1:100 000-scale Metric Topographic Map : 30 X 60 Minute Series (topographic). Reston, Va.: U.S. Geological Survey, 1994.

MLA (9th ed.) Citation

Geological Survey (U.S.) and National Ocean Survey. Chatham, Massachusetts, 1993: 1:100 000-scale Metric Topographic Map : 30 X 60 Minute Series (topographic). U.S. Geological Survey, 1994.