Viorst, J., & Chorao, K. (1988). My mama says there aren't any zombies, ghosts, vampires, creatures, demons, monsters, fiends, goblins, or things (2nd Aladdin Books ed.). Aladdin Books.
Cita Chicago (17th ed.)Viorst, Judith, i Kay Chorao. My Mama Says There Aren't Any Zombies, Ghosts, Vampires, Creatures, Demons, Monsters, Fiends, Goblins, or Things. 2nd Aladdin Books ed. New York: Aladdin Books, 1988.
Cita MLA (8th ed.)Viorst, Judith, i Kay Chorao. My Mama Says There Aren't Any Zombies, Ghosts, Vampires, Creatures, Demons, Monsters, Fiends, Goblins, or Things. 2nd Aladdin Books ed. Aladdin Books, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.