APA (7th ed.) Citation

Sobel, L. A. (1982). Maps on file. Facts on File.

Chicago Style (17th ed.) Citation

Sobel, Lester A. Maps on File. New York: Facts on File, 1982.

MLA (9th ed.) Citation

Sobel, Lester A. Maps on File. Facts on File, 1982.

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