Calvin Coolidge preserving a tree

Chicago citation style
Sears, Richard W. Calvin Coolidge preserving a tree. 1923. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/bk129312v. (Accessed July 17, 2018.)
APA citation style
Sears, Richard W, (1923) Calvin Coolidge preserving a tree. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/bk129312v
MLA citation style
Sears, Richard W. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/bk129312v>.
Note: These citations are programmatically generated and may be incomplete.