Germinaro, M. (1992). "Ferns" (1–). https://oaks.kent.edu/node/8979
Germinaro, Mark. 1992. “‘Ferns’”. https://oaks.kent.edu/node/8979.
Germinaro, Mark. "Ferns". 1 Jan. 1992, https://oaks.kent.edu/node/8979.