"Is There No Bergh for This Unfortunate Beast?"
MLA
Hansen, Bert, 1944-. "Is There No Bergh for This Unfortunate Beast?". Box 8, folder 7. 1879 October 8. https://collections.library.yale.edu/catalog/32331485.
APA, 6th edition
Hansen, Bert, 1944-. (["Box 8, folder 7"])(1879 October 8)["Is There No Bergh for This Unfortunate Beast?"]. https://collections.library.yale.edu/catalog/32331485.