APA Format
Cullis, Harry, (n.d.) Hal Benson for Colorado Reflections. Retrieved from Special Collections @ DU, https://specialcollections.du.edu/object/ffc0556a-5350-446f-a414-60714fb97746
MLA Format
Cullis, Harry. (n.d.) Hal Benson for Colorado Reflections. Retrieved from Special Collections @ DU <https://specialcollections.du.edu/object/ffc0556a-5350-446f-a414-60714fb97746>.
Chicago Format
Cullis, Harry. Hal Benson for Colorado Reflections. n.d.. Retrieved from Special Collections @ DU, https://specialcollections.du.edu/object/ffc0556a-5350-446f-a414-60714fb97746. (Accessed February 25, 2025.)