Rosa Ponselle, opera and concert singer

Chicago citation style
Rosa Ponselle, opera and concert singer. 1938. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/sayre/id/8022. (Accessed July 20, 2018.)
APA citation style
(1938) Rosa Ponselle, opera and concert singer. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/sayre/id/8022
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/sayre/id/8022>.
Note: These citations are programmatically generated and may be incomplete.