Handbill. Rizzo Must Go!
MLA
Creators, Unidentified. Handbill. Rizzo Must Go! 1970. https://collections.library.yale.edu/catalog/11236905.
APA, 6th edition
Creators, U. (1970). Handbill. Rizzo Must Go! [Annotations, Announcements, Ephemera, Protest literature]. https://collections.library.yale.edu/catalog/11236905.