Postcard, "Liebe Grüsse aus Graz von Superstudio," signed by Adolfo Natalini
MLA
Superstudio (Group). Postcard, "Liebe Grüsse aus Graz von Superstudio," signed by Adolfo Natalini. Box 1, folder 15. 1969. https://collections.library.yale.edu/catalog/10259951.
APA, 6th edition
Superstudio (Group). (["Box 1, folder 15"])(1969)[Postcard, "Liebe Grüsse aus Graz von Superstudio," signed by Adolfo Natalini]. https://collections.library.yale.edu/catalog/10259951.