Map showing state of construction of the market street line

Chicago citation style
Map showing state of construction of the market street line. 1949-08-09. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/66078. (Accessed December 18, 2018.)
APA citation style
(1949-08-09) Map showing state of construction of the market street line. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/66078
MLA citation style
Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/66078>.
Note: These citations are programmatically generated and may be incomplete.