Carved portrait of Gaspar de Portola from a book of illustrations, [s.d.]

Chicago citation style
Carved portrait of Gaspar de Portola from a book of illustrations, [s.d.]. Retrieved from the Digital Public Library of America, http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll65/id/24941. (Accessed November 20, 2018.)
APA citation style
Carved portrait of Gaspar de Portola from a book of illustrations, [s.d.]. Retrieved from the Digital Public Library of America, http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll65/id/24941
MLA citation style
Retrieved from the Digital Public Library of America <http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll65/id/24941>.
Note: These citations are programmatically generated and may be incomplete.