Cite

Music/Arrangements/Mussorgsky, Modest Petrovich, Khovanshchina

MLA

Koch, Frederick R. (Frederick Robinson). Music/Arrangements/Mussorgsky, Modest Petrovich, Khovanshchina. Box 185, folder 1527. [1913]. https://collections.library.yale.edu/catalog/15947419.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 185, folder 1527"])([1913])[Music/Arrangements/Mussorgsky, Modest Petrovich, Khovanshchina]. https://collections.library.yale.edu/catalog/15947419.