MLA

Tocqueville, Alexis de, 1805-1859. 3. Notes and Manuscript in Tocqueville's hand for Du Systeme Penitentiaire aux Etats-Unis. (Originals from Larminat). Box 7. APRIL 1831--APRIL 1832. https://collections.library.yale.edu/catalog/2030933.

APA, 6th edition

Tocqueville, Alexis de, 1805-1859. (["Box 7"])(APRIL 1831--APRIL 1832)[3. Notes and Manuscript in Tocqueville's hand for Du Systeme Penitentiaire aux Etats-Unis. (Originals from Larminat)]. https://collections.library.yale.edu/catalog/2030933.