MLA

Durand, Maurice M., 1966-. Nhị Thập Tứ Trung Diễn Ca, Nôm [ Vietnamese transliteration unavailable pages 79-82 in copy 2], 2 copies. Box 13, folder 139. Circa 1700-circa 1900. https://collections.library.yale.edu/catalog/10933030.

APA, 6th edition

Durand, Maurice M., 1966-. (["Box 13, folder 139"])(Circa 1700-circa 1900)[Nhị Thập Tứ Trung Diễn Ca, Nôm [ Vietnamese transliteration unavailable pages 79-82 in copy 2], 2 copies]. https://collections.library.yale.edu/catalog/10933030.