Yale baseball field.
MLA
Frank Hooker, BA 1896. Yale baseball field.. Box 21 | Folder 187. https://collections.library.yale.edu/catalog/10014115.
APA, 6th edition
Frank Hooker, BA 1896. (["Box 21 | Folder 187"])[Yale baseball field.]. https://collections.library.yale.edu/catalog/10014115.