Notice: Our digital collections contain materials that are racist, sexist, and may be painful or traumatizing to researchers.

APA Format

Cullis, Harry, (n.d.) Clarkson Guyer for Colorado Reflections. Retrieved from Special Collections @ DU, https://specialcollections.du.edu/object/b989f433-c9b3-4242-b3b0-54c984e4903b

MLA Format

Cullis, Harry. (n.d.) Clarkson Guyer for Colorado Reflections. Retrieved from Special Collections @ DU <https://specialcollections.du.edu/object/b989f433-c9b3-4242-b3b0-54c984e4903b>.

Chicago Format

Cullis, Harry. Clarkson Guyer for Colorado Reflections. n.d.. Retrieved from Special Collections @ DU, https://specialcollections.du.edu/object/b989f433-c9b3-4242-b3b0-54c984e4903b. (Accessed February 27, 2025.)