Cite

Wilkinson, Sir John Gardner, 1797-1875. 91 ALS and 1 AL to T. J. Pettigrew

MLA

Pettigrew, Thomas Joseph, 1791-1865. Wilkinson, Sir John Gardner, 1797-1875. 91 ALS and 1 AL to T. J. Pettigrew. Box 12, folder 585-590. [1830]-58. https://collections.library.yale.edu/catalog/16684176.

APA, 6th edition

Pettigrew, Thomas Joseph, 1791-1865. (["Box 12, folder 585-590"])([1830]-58)[Wilkinson, Sir John Gardner, 1797-1875. 91 ALS and 1 AL to T. J. Pettigrew]. https://collections.library.yale.edu/catalog/16684176.