MLA

Ochoa Carrillo, Antonio, 1811-1883. Juárez, Benito. Autograph letter, signed: Chihuahua, to Antonio Ochoa Carrillo. Box 1, folder 65. 1866 November 13. https://collections.library.yale.edu/catalog/32320164.

APA, 6th edition

Ochoa Carrillo, Antonio, 1811-1883. (["Box 1, folder 65"])(1866 November 13)[Juárez, Benito. Autograph letter, signed: Chihuahua, to Antonio Ochoa Carrillo]. https://collections.library.yale.edu/catalog/32320164.