Cite

Carlyle, Thomas, Past and Present, holograph

MLA

Carlyle, Thomas, 1795-1881. Carlyle, Thomas, Past and Present, holograph. Box 15. circa 1843. https://collections.library.yale.edu/catalog/2019716.

APA, 6th edition

Carlyle, Thomas, 1795-1881. (["Box 15"])(circa 1843)[Carlyle, Thomas, Past and Present, holograph]. https://collections.library.yale.edu/catalog/2019716.