Cite

[Uncut sheet of 19th century Austrian playing cards].

MLA

Baeck, Josef, and playing card maker. [Uncut Sheet of 19th Century Austrian Playing Cards]. Josipu Bäcku, 0AD. https://collections.library.yale.edu/catalog/32258423.

APA, 6th edition

Baeck, J., & playing card maker. (0 C.E.). [Uncut sheet of 19th century Austrian playing cards]. [Specimens, Playing cards]. Josipu Bäcku. https://collections.library.yale.edu/catalog/32258423.