MLA

Durand, Maurice M., 1966-. Ca Trù Thế Cách, AB 431 [Title matches another notebook, AB number listed to help differentiate], Nôm. Box 10, folder 88. Circa 1700-circa 1900. https://collections.library.yale.edu/catalog/10732461.

APA, 6th edition

Durand, Maurice M., 1966-. (["Box 10, folder 88"])(Circa 1700-circa 1900)[Ca Trù Thế Cách, AB 431 [Title matches another notebook, AB number listed to help differentiate], Nôm]. https://collections.library.yale.edu/catalog/10732461.