Temporary bridge and roadway

Chicago citation style
Higgins. Temporary bridge and roadway. 1973-07-05. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/70491. (Accessed December 14, 2018.)
APA citation style
Higgins, (1973-07-05) Temporary bridge and roadway. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/70491
MLA citation style
Higgins. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/70491>.
Note: These citations are programmatically generated and may be incomplete.