Happy the hippo laughing in Franklin Park Zoo

Chicago citation style
Jones, Leslie, 1886-1967. Happy the hippo laughing in Franklin Park Zoo. 1930-07. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/6682xq92f. (Accessed July 16, 2018.)
APA citation style
Jones, Leslie, 1886-1967, (1930-07) Happy the hippo laughing in Franklin Park Zoo. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/6682xq92f
MLA citation style
Jones, Leslie, 1886-1967. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/6682xq92f>.
Note: These citations are programmatically generated and may be incomplete.