APA (7th ed.) Citation

Geological Survey (U.S.). (1989). Sherbrooke, New Hampshire--Maine--Vermont--Quebec, 1986: 1:100 000-scale metric topographic map : 30 x 60 minute series (topographic) (Photoinspected 1986.). The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Sherbrooke, New Hampshire--Maine--Vermont--Quebec, 1986: 1:100 000-scale Metric Topographic Map : 30 X 60 Minute Series (topographic). Photoinspected 1986. Reston, Va.: The Survey, 1989.

MLA (9th ed.) Citation

Geological Survey (U.S.). Sherbrooke, New Hampshire--Maine--Vermont--Quebec, 1986: 1:100 000-scale Metric Topographic Map : 30 X 60 Minute Series (topographic). Photoinspected 1986. The Survey, 1989.