APA Format
Cullis, Harry, (n.d.) John Norwood for Colorado Reflections. Retrieved from Special Collections @ DU, https://specialcollections.du.edu/object/68f93397-28ff-4a0e-a580-e785f3f0b55b
MLA Format
Cullis, Harry. (n.d.) John Norwood for Colorado Reflections. Retrieved from Special Collections @ DU <https://specialcollections.du.edu/object/68f93397-28ff-4a0e-a580-e785f3f0b55b>.
Chicago Format
Cullis, Harry. John Norwood for Colorado Reflections. n.d.. Retrieved from Special Collections @ DU, https://specialcollections.du.edu/object/68f93397-28ff-4a0e-a580-e785f3f0b55b. (Accessed March 3, 2025.)