Letters From the Baltimore Archives. Records of the American Catholic Historical Society of Philadelphia. Volume XX. Pages 431-436.

Chicago citation style
American Catholic Historical Society of Philadelphia. Letters From the Baltimore Archives. Records of the American Catholic Historical Society of Philadelphia. Volume XX. Pages 431-436.. 1909. Retrieved from the Digital Public Library of America, https://digital.library.villanova.edu/Record/vudl:443112. (Accessed September 20, 2018.)
APA citation style
American Catholic Historical Society of Philadelphia, (1909) Letters From the Baltimore Archives. Records of the American Catholic Historical Society of Philadelphia. Volume XX. Pages 431-436.. Retrieved from the Digital Public Library of America, https://digital.library.villanova.edu/Record/vudl:443112
MLA citation style
American Catholic Historical Society of Philadelphia. Retrieved from the Digital Public Library of America <https://digital.library.villanova.edu/Record/vudl:443112>.
Note: These citations are programmatically generated and may be incomplete.