Cite

Swan marks, [16th century].

MLA

Swan Marks, [16th Century]. 0AD. https://collections.library.yale.edu/catalog/33103063.

APA, 6th edition

Swan marks, [16th century]. (0 C.E.). [Early works to 1800, Insignias (devices), Ink drawings, Manuscript waste (Binding), Armorial bookplates (Provenance), Watermarks (Paper)]. https://collections.library.yale.edu/catalog/33103063.