"I Worked Hard During my Vacation" by Ernest Hemingway, circa 1910s.

Chicago citation style
Ernest Hemingway. "I Worked Hard During my Vacation" by Ernest Hemingway, circa 1910s.. 1910s. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/p16614coll27/id/706. (Accessed July 5, 2020.)
APA citation style
Ernest Hemingway, (1910s) "I Worked Hard During my Vacation" by Ernest Hemingway, circa 1910s.. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/p16614coll27/id/706
MLA citation style
Ernest Hemingway. Retrieved from the Digital Public Library of America <http://www.idaillinois.org/cdm/ref/collection/p16614coll27/id/706>.
Note: These citations are programmatically generated and may be incomplete.