Cite

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

MLA

Baeck, Josef, and playing card maker. [Uncut Sheet of 19th Century Austrian Playing Cards]. Jos. Back, 0AD. https://collections.library.yale.edu/catalog/32258420.

APA, 6th edition

Baeck, J., & playing card maker. (0 C.E.). [Uncut sheet of 19th century Austrian playing cards]. [Specimens, Playing cards]. Jos. Back. https://collections.library.yale.edu/catalog/32258420.