Cite
Letter John W. Frouman to Governor James B. A. Robertson, 1921 June 3
MLA
Frouman, John W.. "Letter John W. Frouman to Governor James B. A. Robertson, 1921 June 3." Oklahoma. Department of Libraries. 1921-06-03, http://digitalprairie.ok.gov/cdm/ref/collection/race-riot/id/140.
APA
Frouman, John W. (1921-06-03). Letter John W. Frouman to Governor James B. A. Robertson, 1921 June 3. Retrieved from http://digitalprairie.ok.gov/cdm/ref/collection/race-riot/id/140
Chicago
Frouman, John W.. "Letter John W. Frouman to Governor James B. A. Robertson, 1921 June 3." 1921-06-03. April 28, 2026. http://digitalprairie.ok.gov/cdm/ref/collection/race-riot/id/140.