Cite

Yale Glee Club Concert in Philadelphia, 01/11/1978--flier

MLA

Yale Glee Club Concert in Philadelphia, 01/11/1978--Flier. 1978. https://collections.library.yale.edu/catalog/10538029.

APA, 6th edition

Yale Glee Club Concert in Philadelphia, 01/11/1978--flier. (1978). [Paper]. https://collections.library.yale.edu/catalog/10538029.