Eleonora Sears walks from Newport to Boston, 73 miles, taking 17 hours to do the trick. (Composite image of Sears walking and map of route.)

Chicago citation style
Jones, Leslie, 1886-1967. Eleonora Sears walks from Newport to Boston, 73 miles, taking 17 hours to do the trick. (Composite image of Sears walking and map of route.). 1928-04-23. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/5x21tk74t. (Accessed June 21, 2018.)
APA citation style
Jones, Leslie, 1886-1967, (1928-04-23) Eleonora Sears walks from Newport to Boston, 73 miles, taking 17 hours to do the trick. (Composite image of Sears walking and map of route.). Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/5x21tk74t
MLA citation style
Jones, Leslie, 1886-1967. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/5x21tk74t>.
Note: These citations are programmatically generated and may be incomplete.