The Ohio River Bridge. Sewickley, Pennsylvania (GFB-68-1360)
MLA
Plowden, David. The Ohio River Bridge. Sewickley, Pennsylvania (GFB-68-1360). 1968. https://collections.library.yale.edu/catalog/2042322.
APA, 6th edition
Plowden, D. (1968). The Ohio River Bridge. Sewickley, Pennsylvania (GFB-68-1360). https://collections.library.yale.edu/catalog/2042322.