MLA

Browning, Robert, 1812-1889. Notebook containing drafts of poems and paraphrases in the hand of Elizabeth Barrett Browning. Box 6. 1849-1861. https://collections.library.yale.edu/catalog/2025155.

APA, 6th edition

Browning, Robert, 1812-1889. (["Box 6"])(1849-1861)[Notebook containing drafts of poems and paraphrases in the hand of Elizabeth Barrett Browning]. https://collections.library.yale.edu/catalog/2025155.