The sentinel asleep

Chicago citation style
Von Tilzer, Harry (1872-1946), O'Callaghan, Neil, Lamb, Arthur J. (1870-1928). The sentinel asleep. 1900. Retrieved from the Digital Public Library of America, http://digitalcollections.nypl.org/items/8872e6ba-f92c-3887-e040-e00a180620c2. (Accessed December 14, 2018.)
APA citation style
Von Tilzer, Harry (1872-1946), O'Callaghan, Neil, Lamb, Arthur J. (1870-1928), (1900) The sentinel asleep. Retrieved from the Digital Public Library of America, http://digitalcollections.nypl.org/items/8872e6ba-f92c-3887-e040-e00a180620c2
MLA citation style
Von Tilzer, Harry (1872-1946), O'Callaghan, Neil, Lamb, Arthur J. (1870-1928). Retrieved from the Digital Public Library of America <http://digitalcollections.nypl.org/items/8872e6ba-f92c-3887-e040-e00a180620c2>.
Note: These citations are programmatically generated and may be incomplete.