Page 21

Chicago citation style
Page 21. Retrieved from the Digital Public Library of America, http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll14/id/176747. (Accessed November 18, 2018.)
APA citation style
Page 21. Retrieved from the Digital Public Library of America, http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll14/id/176747
MLA citation style
Retrieved from the Digital Public Library of America <http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll14/id/176747>.
Note: These citations are programmatically generated and may be incomplete.