APA (7th ed.) Citation

Guptill, S. C. (1986). 1:100,000 scale: Digital cartographic data base for federal requirements. U.S. Dept. of Commerce, Bureau of the Census.

Chicago Style (17th ed.) Citation

Guptill, Stephen C. 1:100,000 Scale: Digital Cartographic Data Base for Federal Requirements. [Washington, D.C.]: U.S. Dept. of Commerce, Bureau of the Census, 1986.

MLA (9th ed.) Citation

Guptill, Stephen C. 1:100,000 Scale: Digital Cartographic Data Base for Federal Requirements. U.S. Dept. of Commerce, Bureau of the Census, 1986.