Parker, J. (1969). Untitled Illustration 4 (1–). https://oaks.kent.edu/node/8713
Parker, John. 1969. “Untitled Illustration 4”. https://oaks.kent.edu/node/8713.
Parker, John. Untitled Illustration 4. 1 Jan. 1969, https://oaks.kent.edu/node/8713.