Mean, but futile
MLA
Keppler, Joseph Ferdinand, 1838-1894. Mean, but futile. 1890 December 31. https://collections.library.yale.edu/catalog/2057719.
APA, 6th edition
Keppler, Joseph Ferdinand, 1838-1894. (1890 December 31)[Mean, but futile]. https://collections.library.yale.edu/catalog/2057719.