Cite

The Freshman Prom Concert, 03/09/1956--flier

MLA

The Freshman Prom Concert, 03/09/1956--Flier. 1956. https://collections.library.yale.edu/catalog/10538306.

APA, 6th edition

The Freshman Prom Concert, 03/09/1956--flier. (1956). [Paper]. https://collections.library.yale.edu/catalog/10538306.