APA Format
Cullis, Harry, (n.d.) Caroline Bancroft for Colorado Reflections. Retrieved from Special Collections @ DU, https://specialcollections.du.edu/object/d8b24669-1644-4622-b6b8-ab1c1e88ab36
MLA Format
Cullis, Harry. (n.d.) Caroline Bancroft for Colorado Reflections. Retrieved from Special Collections @ DU <https://specialcollections.du.edu/object/d8b24669-1644-4622-b6b8-ab1c1e88ab36>.
Chicago Format
Cullis, Harry. Caroline Bancroft for Colorado Reflections. n.d.. Retrieved from Special Collections @ DU, https://specialcollections.du.edu/object/d8b24669-1644-4622-b6b8-ab1c1e88ab36. (Accessed May 23, 2024.)