Cite

In Tangiers

MLA

McKay, Claude, 1890-1948. In Tangiers. Box 18, folder 555. n.d.. https://collections.library.yale.edu/catalog/2029942.

APA, 6th edition

McKay, Claude, 1890-1948. (["Box 18, folder 555"])(n.d.)[In Tangiers]. https://collections.library.yale.edu/catalog/2029942.