Cite
4 Anonymous letter, 1967 August 30
MLA
Groppi, James, 1930-1985. "4 Anonymous letter, 1967 August 30." Wisconsin Historical Society. 1967-08-30, https://collections.lib.uwm.edu/digital/collection/march/id/713.
APA
Groppi, James, 1930-1985 (1967-08-30). 4 Anonymous letter, 1967 August 30. Retrieved from https://collections.lib.uwm.edu/digital/collection/march/id/713
Chicago
Groppi, James, 1930-1985. "4 Anonymous letter, 1967 August 30." 1967-08-30. July 30, 2025. https://collections.lib.uwm.edu/digital/collection/march/id/713.