Cite

[Vienna pattern playing cards].

MLA

[Vienna Pattern Playing Cards]. I. Norbert Hofman, 0AD. https://collections.library.yale.edu/catalog/16359051.

APA, 6th edition

[Vienna pattern playing cards]. (0 C.E.). [Specimens, Playing cards, Vienna pattern, Annotations 20th century]. I. Norbert Hofman. https://collections.library.yale.edu/catalog/16359051.