Pigs, subjects of a feed experiment (4 of 4)

Chicago citation style
Unknown. Pigs, subjects of a feed experiment (4 of 4). 1890-1899. Retrieved from the Digital Public Library of America, http://utah-primoprod.hosted.exlibrisgroup.com/primo_library/libweb/action/dlDisplay.do?vid=MWDL&afterPDS=true&docId=digcoll_usu_16USU_Photos/2345. (Accessed November 17, 2018.)
APA citation style
Unknown, (1890-1899) Pigs, subjects of a feed experiment (4 of 4). Retrieved from the Digital Public Library of America, http://utah-primoprod.hosted.exlibrisgroup.com/primo_library/libweb/action/dlDisplay.do?vid=MWDL&afterPDS=true&docId=digcoll_usu_16USU_Photos/2345
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://utah-primoprod.hosted.exlibrisgroup.com/primo_library/libweb/action/dlDisplay.do?vid=MWDL&afterPDS=true&docId=digcoll_usu_16USU_Photos/2345>.
Note: These citations are programmatically generated and may be incomplete.