Cite

Certificate from the Mayor of Oklahoma City, certifying June 6, 1973, as "Yale Glee Club Day

MLA

Certificate from the Mayor of Oklahoma City, Certifying June 6, 1973, as "Yale Glee Club Day. 1973. https://collections.library.yale.edu/catalog/10539086.

APA, 6th edition

Certificate from the Mayor of Oklahoma City, certifying June 6, 1973, as "Yale Glee Club Day. (1973). [Paper]. https://collections.library.yale.edu/catalog/10539086.