APA Citation

Ashley, G. H. 1. (1920). The story of the Pennsylvania survey. Harrisburg: Dept. of internal affairs, Bureau of topographic and geologic survey.

Chicago Style Citation

Ashley, Geo. H. 1866-1951. The Story of the Pennsylvania Survey. Harrisburg: Dept. of internal affairs, Bureau of topographic and geologic survey, 1920.

MLA Citation

Ashley, Geo. H. 1866-1951. The Story of the Pennsylvania Survey. Harrisburg: Dept. of internal affairs, Bureau of topographic and geologic survey, 1920.

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