APA Citation

(1949). Guide to the manuscript collections of the Historical Society of Pennsylvania (2nd ed.). Philadelphia: Historical Society of Pennsylvania.

Chicago Style Citation

Guide to the Manuscript Collections of the Historical Society of Pennsylvania. 2nd ed. Philadelphia: Historical Society of Pennsylvania, 1949.

MLA Citation

Guide to the Manuscript Collections of the Historical Society of Pennsylvania. 2nd ed. Philadelphia: Historical Society of Pennsylvania, 1949.

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