MLA

Hawthorne, Nathaniel, 1804-1864. Penmanship book. Box 2, folder 78. n.d.. https://collections.library.yale.edu/catalog/2064593.

APA, 6th edition

Hawthorne, Nathaniel, 1804-1864. (["Box 2, folder 78"])(n.d.)[Penmanship book]. https://collections.library.yale.edu/catalog/2064593.