Cite

Bernal, Ralph, d. 1854. ALS to T. J. Pettigrew

MLA

Pettigrew, Thomas Joseph, 1791-1865. Bernal, Ralph, d. 1854. ALS to T. J. Pettigrew. Box 1, folder 48. 1853 Nov 10. https://collections.library.yale.edu/catalog/16684167.

APA, 6th edition

Pettigrew, Thomas Joseph, 1791-1865. (["Box 1, folder 48"])(1853 Nov 10)[Bernal, Ralph, d. 1854. ALS to T. J. Pettigrew]. https://collections.library.yale.edu/catalog/16684167.