APA (7th ed.) Citation

(1897). Topographic maps of Maryland made and for sale by U.S. Geological Survey. [publisher not identified].

Chicago Style (17th ed.) Citation

Topographic Maps of Maryland Made and for Sale by U.S. Geological Survey. Washington, D.C.: [publisher not identified], 1897.

MLA (9th ed.) Citation

Topographic Maps of Maryland Made and for Sale by U.S. Geological Survey. [publisher not identified], 1897.

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