Oliver, C. (1993). An Unanswered Question (1–). https://oaks.kent.edu/node/9028
Oliver, Carrie. 1993. “An Unanswered Question”. https://oaks.kent.edu/node/9028.
Oliver, Carrie. An Unanswered Question. 1 Jan. 1993, https://oaks.kent.edu/node/9028.