Charles IV and Louisa Maria

Chicago citation style
Robert Cooper, active early 19th Century. Charles IV and Louisa Maria. 1811. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_S_NPG.67.50&repo=DPLA. (Accessed December 17, 2018.)
APA citation style
Robert Cooper, active early 19th Century, (1811) Charles IV and Louisa Maria. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_S_NPG.67.50&repo=DPLA
MLA citation style
Robert Cooper, active early 19th Century. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_S_NPG.67.50&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.