Ernest Hemingway swimming in a lake, circa 1900s.

Chicago citation style
Hemingway family. Ernest Hemingway swimming in a lake, circa 1900s.. 2016-03-23. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/p16614coll27/id/781. (Accessed July 5, 2020.)
APA citation style
Hemingway family, (2016-03-23) Ernest Hemingway swimming in a lake, circa 1900s.. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/p16614coll27/id/781
MLA citation style
Hemingway family. Retrieved from the Digital Public Library of America <http://www.idaillinois.org/cdm/ref/collection/p16614coll27/id/781>.
Note: These citations are programmatically generated and may be incomplete.