MLA

Simōnidēs, Kōnstantinos, approximately 1820-approximately 1867. Kōnstantinos Simōnidēs forgery of an unidentified text by Homer : manuscript. Box. circa [1850?]. https://collections.library.yale.edu/catalog/32403540.

APA, 6th edition

Simōnidēs, Kōnstantinos, approximately 1820-approximately 1867. (["Box"])(circa [1850?])[Kōnstantinos Simōnidēs forgery of an unidentified text by Homer : manuscript]. https://collections.library.yale.edu/catalog/32403540.