San Fernando Tunnel, from the north end, S. P. R. R

Chicago citation style
San Fernando Tunnel, from the north end, S. P. R. R. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/tf8199p3f4. (Accessed December 16, 2018.)
APA citation style
San Fernando Tunnel, from the north end, S. P. R. R. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/tf8199p3f4
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/tf8199p3f4>.
Note: These citations are programmatically generated and may be incomplete.