APA Format
Cullis, Harry, (n.d.) Byron L. Akers for Colorado Reflections. Retrieved from Special Collections @ DU, https://specialcollections.du.edu/object/3b23395f-d7f3-4bbd-81d5-6516f92c8363
MLA Format
Cullis, Harry. (n.d.) Byron L. Akers for Colorado Reflections. Retrieved from Special Collections @ DU <https://specialcollections.du.edu/object/3b23395f-d7f3-4bbd-81d5-6516f92c8363>.
Chicago Format
Cullis, Harry. Byron L. Akers for Colorado Reflections. n.d.. Retrieved from Special Collections @ DU, https://specialcollections.du.edu/object/3b23395f-d7f3-4bbd-81d5-6516f92c8363. (Accessed February 24, 2025.)