Cita APA (7a ed.)

Case, S., Hall, D., & Allen, B. (1979). Medieval Britain. Evans.

Cita Chicago Style (17a ed.)

Case, S.L, D.J Hall, y Brian Allen. Medieval Britain. London: Evans, 1979.

Cita MLA (9a ed.)

Case, S.L, et al. Medieval Britain. Evans, 1979.