Cite

Bridge Over Des Moines River. Near Pittsburg, Iowa (GFB-68-4604)

MLA

Plowden, David (1932). Bridge Over Des Moines River. Near Pittsburg, Iowa (GFB-68-4604). Box 21. 1968. https://collections.library.yale.edu/catalog/2039870.

APA, 6th edition

Plowden, David (1932). (["Box 21"])(1968)[Bridge Over Des Moines River. Near Pittsburg, Iowa (GFB-68-4604)]. https://collections.library.yale.edu/catalog/2039870.