Calvin and Grace Coolidge Plant a Tree on Arbor Day

Chicago citation style
Calvin and Grace Coolidge Plant a Tree on Arbor Day. 1920-04. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/bk1292944. (Accessed June 19, 2018.)
APA citation style
(1920-04) Calvin and Grace Coolidge Plant a Tree on Arbor Day. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/bk1292944
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/bk1292944>.
Note: These citations are programmatically generated and may be incomplete.