Circular A

Chicago citation style
Circular A. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000889472. (Accessed December 19, 2018.)
APA citation style
Circular A. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000889472
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/000889472>.
Note: These citations are programmatically generated and may be incomplete.