"Opera"

Chicago citation style
Dias, Robert. "Opera". 1996-03-11. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p245801coll0/id/10666. (Accessed December 10, 2018.)
APA citation style
Dias, Robert, (1996-03-11) "Opera". Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p245801coll0/id/10666
MLA citation style
Dias, Robert. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p245801coll0/id/10666>.
Note: These citations are programmatically generated and may be incomplete.