MLA

[Arms with Birds and Boars' Heads, within Cartouche] [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/16830978.

APA, 6th edition

[Arms with birds and boars' heads, within cartouche] [graphic]. (0 C.E.). [Armorial bookplates, Bookplates, Engravings England 1757, Annotations (Provenance) 18th century]. publisher not identified. https://collections.library.yale.edu/catalog/16830978.