MLA

Durand, Maurice M., 1966-. Ông Ninh Cổ Truyện, Nôm. Box 7, folder 32. Circa 1700-circa 1900. https://collections.library.yale.edu/catalog/10714367.

APA, 6th edition

Durand, Maurice M., 1966-. (["Box 7, folder 32"])(Circa 1700-circa 1900)[Ông Ninh Cổ Truyện, Nôm]. https://collections.library.yale.edu/catalog/10714367.