MLA

Bustis, Bernardinus de, d. ca. 1500. Rosarium sermonum / [with additions by Illuminatus Novariensis and Samuel Cassinensis]. 18th September - 8th December 1500]. https://collections.library.yale.edu/catalog/2013258.

APA, 6th edition

Bustis, Bernardinus de, d. ca. 1500. (18th September - 8th December 1500])[Rosarium sermonum / [with additions by Illuminatus Novariensis and Samuel Cassinensis]]. https://collections.library.yale.edu/catalog/2013258.