MLA

Hayward, E. J., b. 1838. View in grounds of W. H. Stanwood. Box 18 | Folder : Hayward, E. J.. undated. https://collections.library.yale.edu/catalog/10465275.

APA, 6th edition

Hayward, E. J., b. 1838. (["Box 18 | Folder : Hayward, E. J."])(undated)[View in grounds of W. H. Stanwood]. https://collections.library.yale.edu/catalog/10465275.