Southern Railroad, The Tyrone Bridge, Kentucky River. Tyrone, Kentucky (GFB-68-828)
MLA
Plowden, David. Southern Railroad, The Tyrone Bridge, Kentucky River. Tyrone, Kentucky (GFB-68-828). 1968. https://collections.library.yale.edu/catalog/2042317.
APA, 6th edition
Plowden, D. (1968). Southern Railroad, The Tyrone Bridge, Kentucky River. Tyrone, Kentucky (GFB-68-828). https://collections.library.yale.edu/catalog/2042317.