John Nagel and Elizabeth Schleining Nagel

Chicago citation style
John Nagel and Elizabeth Schleining Nagel. 1938. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll107/id/145. (Accessed August 11, 2020.)
APA citation style
(1938) John Nagel and Elizabeth Schleining Nagel. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll107/id/145
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll107/id/145>.
Note: These citations are programmatically generated and may be incomplete.