Huntingdon County, Pennsylvania : an inventory of historic engineering and industrial sites /

Chicago citation style
Shedd, Nancy S. Huntingdon County, Pennsylvania : an inventory of historic engineering and industrial sites /. 1991. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/002559241. (Accessed December 16, 2018.)
APA citation style
Shedd, Nancy S, (1991) Huntingdon County, Pennsylvania : an inventory of historic engineering and industrial sites /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/002559241
MLA citation style
Shedd, Nancy S. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/002559241>.
Note: These citations are programmatically generated and may be incomplete.