The Tyrone Bridge, Kentucky River. Tyrone, Kentucky (GFB-68-980)
MLA
Plowden, David (1932). The Tyrone Bridge, Kentucky River. Tyrone, Kentucky (GFB-68-980). Box 6. 1968. https://collections.library.yale.edu/catalog/2036714.
APA, 6th edition
Plowden, David (1932). (["Box 6"])(1968)[The Tyrone Bridge, Kentucky River. Tyrone, Kentucky (GFB-68-980)]. https://collections.library.yale.edu/catalog/2036714.