MLA

Ochoa Carrillo, Antonio, 1811-1883. Juárez, Benito. Autograph letter, signed: Villa del Paso, to Antonio Ochoa Carrillo. Box 1, folder 42. 1865 November 3. https://collections.library.yale.edu/catalog/32319862.

APA, 6th edition

Ochoa Carrillo, Antonio, 1811-1883. (["Box 1, folder 42"])(1865 November 3)[Juárez, Benito. Autograph letter, signed: Villa del Paso, to Antonio Ochoa Carrillo]. https://collections.library.yale.edu/catalog/32319862.