APA (7th ed.) Citation

DeLorme Mapping Company. (1987). Pennsylvania atlas & gazetteer. The Company.

Chicago Style (17th ed.) Citation

DeLorme Mapping Company. Pennsylvania Atlas & Gazetteer. Freeport, Me.: The Company, 1987.

MLA (9th ed.) Citation

DeLorme Mapping Company. Pennsylvania Atlas & Gazetteer. The Company, 1987.

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