Metropolitan Opera
MLA
Unknown. "Metropolitan Opera." Atlanta History Center. 1910, http://album.atlantahistorycenter.com/cdm/ref/collection/athpc/id/2298.
APA
Unknown (1910). Metropolitan Opera. Retrieved from http://album.atlantahistorycenter.com/cdm/ref/collection/athpc/id/2298
Chicago
Unknown. "Metropolitan Opera." 1910. August 5, 2025. http://album.atlantahistorycenter.com/cdm/ref/collection/athpc/id/2298.
