Cita APA (7a ed.)

Lüthi, M., Chadeayne, L., Gottwald, P., & Utley, F. L. (1976). Once upon a time: On the nature of fairy tales. Indiana University Press.

Cita Chicago Style (17a ed.)

Lüthi, Max, Lee Chadeayne, Paul Gottwald, y Francis Lee Utley. Once upon a Time: On the Nature of Fairy Tales. Bloomington (Indiana): Indiana University Press, 1976.

Cita MLA (9a ed.)

Lüthi, Max, et al. Once upon a Time: On the Nature of Fairy Tales. Indiana University Press, 1976.