Helen Clay Frick, Bittersweet Heiress, lecture and book signing

Chicago citation style
Helen Clay Frick, Bittersweet Heiress, lecture and book signing. 2007-12-07. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/0r96ft63r. (Accessed December 10, 2018.)
APA citation style
(2007-12-07) Helen Clay Frick, Bittersweet Heiress, lecture and book signing. Retrieved from the Digital Public Library of America, https://ark.digitalcommonwealth.org/ark:/50959/0r96ft63r
MLA citation style
Retrieved from the Digital Public Library of America <https://ark.digitalcommonwealth.org/ark:/50959/0r96ft63r>.
Note: These citations are programmatically generated and may be incomplete.