Lehigh University Library, South Bethlehem, Pa.

Chicago citation style
Lehigh University Library, South Bethlehem, Pa.. 1907?. Retrieved from the Digital Public Library of America, http://cdm.lib.lehigh.edu/cdm/ref/collection/postal/id/1651. (Accessed December 19, 2018.)
APA citation style
(1907?) Lehigh University Library, South Bethlehem, Pa.. Retrieved from the Digital Public Library of America, http://cdm.lib.lehigh.edu/cdm/ref/collection/postal/id/1651
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm.lib.lehigh.edu/cdm/ref/collection/postal/id/1651>.
Note: These citations are programmatically generated and may be incomplete.