Cite

Yale Glee Club and Howard University Choir Joint Concert, 02/04/1968--flier 2

MLA

Yale Glee Club and Howard University Choir Joint Concert, 02/04/1968--Flier 2. 1968. https://collections.library.yale.edu/catalog/10537285.

APA, 6th edition

Yale Glee Club and Howard University Choir Joint Concert, 02/04/1968--flier 2. (1968). [Paper]. https://collections.library.yale.edu/catalog/10537285.