MLA

Calas, Nicolas, Williams, William Carlos, 1883-1963. Various poems by Nicholas Calas translated from French into English. Box 65 | Folder 1371. undated. https://collections.library.yale.edu/catalog/15499929.

APA, 6th edition

Calas, Nicolas, & Williams, William Carlos, 1883-1963. (["Box 65 | Folder 1371"])(undated)[Various poems by Nicholas Calas translated from French into English]. https://collections.library.yale.edu/catalog/15499929.