Herbert Hoover

Chicago citation style
Herbert Hoover. 1930/1939. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll19/id/262. (Accessed October 16, 2018.)
APA citation style
(1930/1939) Herbert Hoover. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll19/id/262
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll19/id/262>.
Note: These citations are programmatically generated and may be incomplete.