Cita APA (7a ed.)

Bacon, F., & Stimpson, B. (1998). The medieval world (Key stage 3, 1. publ.). Thornes.

Cita Chicago Style (17a ed.)

Bacon, Francis, y Bea Stimpson. The Medieval World. Key stage 3, 1. publ. Cheltenham: Thornes, 1998.

Cita MLA (9a ed.)

Bacon, Francis, y Bea Stimpson. The Medieval World. Key stage 3, 1. publ. Thornes, 1998.