MLA

Streeter, Thomas W. (Thomas Winthrop), 1883-1965. Draft of letter to Manuel de Mier y Teran, Matamoras. Box 1, folder 18. 1832 Jun 17. https://collections.library.yale.edu/catalog/16700545.

APA, 6th edition

Streeter, Thomas W. (Thomas Winthrop), 1883-1965. (["Box 1, folder 18"])(1832 Jun 17)[Draft of letter to Manuel de Mier y Teran, Matamoras]. https://collections.library.yale.edu/catalog/16700545.