Cite

[San Fernando tunnel, S.P.R.R.]

MLA

[San Fernando Tunnel, S.P.R.R.]. 0AD. https://collections.library.yale.edu/catalog/2014162.

APA, 6th edition

[San Fernando tunnel, S.P.R.R.]. (0 C.E.). [Albumen prints, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2014162.