MLA

Herolt, Joannes, 15th cent. Sermones Discipuli de tempore et de sanctis, cum Promptuario exemplorum, et Promptuario de miraculis Beatae Virginis Mariae.. (December 24, 1486)]. https://collections.library.yale.edu/catalog/15825694.

APA, 6th edition

Herolt, Joannes, 15th cent. ((December 24, 1486)])[Sermones Discipuli de tempore et de sanctis, cum Promptuario exemplorum, et Promptuario de miraculis Beatae Virginis Mariae.]. https://collections.library.yale.edu/catalog/15825694.