Cite

G. R. L. Penney diary and letters, 1863-1864

MLA

Penney, G. R. L. (George R. L.). G. R. L. Penney diary and letters, 1863-1864. Box 1. https://collections.library.yale.edu/catalog/16708762.

APA, 6th edition

Penney, G. R. L. (George R. L.). (["Box 1"])[G. R. L. Penney diary and letters, 1863-1864]. https://collections.library.yale.edu/catalog/16708762.