Pennsylvania library notes / Pennsylvania Free Library Commission

Chicago citation style
Pennsylvania library notes / Pennsylvania Free Library Commission. Retrieved from the Digital Public Library of America, https://archive.org/details/pennsylvanialibr00unse_3. (Accessed September 19, 2018.)
APA citation style
Pennsylvania library notes / Pennsylvania Free Library Commission. Retrieved from the Digital Public Library of America, https://archive.org/details/pennsylvanialibr00unse_3
MLA citation style
Retrieved from the Digital Public Library of America <https://archive.org/details/pennsylvanialibr00unse_3>.
Note: These citations are programmatically generated and may be incomplete.