Cite

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

MLA

Pittner, Ferdinand, and playing card maker. [Uncut Sheet of 19th Century Austrian Playing Cards]. F. Pittner, 0AD. https://collections.library.yale.edu/catalog/16359060.

APA, 6th edition

Pittner, F., & playing card maker. (0 C.E.). [Uncut sheet of 19th century Austrian playing cards]. [Specimens, Playing cards]. F. Pittner. https://collections.library.yale.edu/catalog/16359060.