Cite
Letter Lieut. Roy R. Dunlap to Lieut. Col. L. J. F. Rooney, 1921 July 1
MLA
Dunlap, Roy R.. "Letter Lieut. Roy R. Dunlap to Lieut. Col. L. J. F. Rooney, 1921 July 1." Oklahoma. Department of Libraries. 1921-07-01, http://digitalprairie.ok.gov/cdm/ref/collection/race-riot/id/223.
APA
Dunlap, Roy R. (1921-07-01). Letter Lieut. Roy R. Dunlap to Lieut. Col. L. J. F. Rooney, 1921 July 1. Retrieved from http://digitalprairie.ok.gov/cdm/ref/collection/race-riot/id/223
Chicago
Dunlap, Roy R.. "Letter Lieut. Roy R. Dunlap to Lieut. Col. L. J. F. Rooney, 1921 July 1." 1921-07-01. May 1, 2026. http://digitalprairie.ok.gov/cdm/ref/collection/race-riot/id/223.