Cite

[Engraving of a soft shelled tortoise]

MLA

[Engraving of a Soft Shelled Tortoise]. 0AD. https://collections.library.yale.edu/catalog/2000106.

APA, 6th edition

[Engraving of a soft shelled tortoise]. (0 C.E.). [Engravings, Illustrations]. https://collections.library.yale.edu/catalog/2000106.