Cite

So devises on a winter Saturday night, draft fragment, holograph

MLA

Betjeman, John, 1906-1984. So devises on a winter Saturday night, draft fragment, holograph. Box 3, folder 211. undated. https://collections.library.yale.edu/catalog/17306200.

APA, 6th edition

Betjeman, John, 1906-1984. (["Box 3, folder 211"])(undated)[So devises on a winter Saturday night, draft fragment, holograph]. https://collections.library.yale.edu/catalog/17306200.