"Back to School. 'We've had a--of time since we've been gone!'"
MLA
Hansen, Bert, 1944-. "Back to School. 'We've had a--of time since we've been gone!'". Box 6, folder 9. 1890 December 13. https://collections.library.yale.edu/catalog/32331433.
APA, 6th edition
Hansen, Bert, 1944-. (["Box 6, folder 9"])(1890 December 13)["Back to School. 'We've had a--of time since we've been gone!'"]. https://collections.library.yale.edu/catalog/32331433.