Cite

Collyer, William Bengo, 1782-1854. 3 ALS to T. J. Pettigrew

MLA

Pettigrew, Thomas Joseph, 1791-1865. Collyer, William Bengo, 1782-1854. 3 ALS to T. J. Pettigrew. Box 4, folder 136. 1816-23. https://collections.library.yale.edu/catalog/16684169.

APA, 6th edition

Pettigrew, Thomas Joseph, 1791-1865. (["Box 4, folder 136"])(1816-23)[Collyer, William Bengo, 1782-1854. 3 ALS to T. J. Pettigrew]. https://collections.library.yale.edu/catalog/16684169.