MLA

Lavater, Johann Caspar, 1741-1801. Miscellaneous images, mounted: Jesus receiving children (watercolor over pen-and-ink), engraved portrait of a man, engraved page showing 16 heads of mammals, handpainted frame for medallion and motto. Box 2, folder 31. undated. https://collections.library.yale.edu/catalog/17270871.

APA, 6th edition

Lavater, Johann Caspar, 1741-1801. (["Box 2, folder 31"])(undated)[Miscellaneous images, mounted: Jesus receiving children (watercolor over pen-and-ink), engraved portrait of a man, engraved page showing 16 heads of mammals, handpainted frame for medallion and motto]. https://collections.library.yale.edu/catalog/17270871.