Postal card from Castelnuovo. No date. [10413-2]
MLA
Postal Card from Castelnuovo. No Date. [10413-2]. 0AD. https://collections.library.yale.edu/catalog/10666618.
APA, 6th edition
Postal card from Castelnuovo. No date. [10413-2]. (0 C.E.). [Scrapbooks]. https://collections.library.yale.edu/catalog/10666618.