Cite

[Untitled photograph of harvest with threshing machine]

MLA

Hayward & Muzzall, Hayward, E. J., b. 1838. [Untitled photograph of harvest with threshing machine]. Box 19 | Folder : Hayward & Muzzall. undated. https://collections.library.yale.edu/catalog/10466831.

APA, 6th edition

Hayward & Muzzall, & Hayward, E. J., b. 1838. (["Box 19 | Folder : Hayward & Muzzall"])(undated)[[Untitled photograph of harvest with threshing machine]]. https://collections.library.yale.edu/catalog/10466831.