Special collections prefers the following citation for items from their collection used in your research:
Name of Collection, Document name or type, Folder number, Box number, Series Number, Archives Name, Special Collections and Archives Division, Eugene McDermott Library, The University of Texas at Dallas. URL or Print. Accessed Month dd, yyyy.
For example:
Ola A. Sater Collection, World War 1 American, Australian, British, and Canadian Officers, 1914-1918, Folder 5, Box 3, F101-88, History of Aviation Collection, Special Collections and Archives Division, Eugene McDermott Library, the University of Texas at Dallas. http://libarchives.utdallas.edu/repositories/2/resources/22. Accessed June 14, 2018.