Cita APA (7a ed.)

Cairns, T. (1989). The Middle Ages (1. publ., 8. print.). Cambridge Univ. Press.

Cita Chicago Style (17a ed.)

Cairns, Trevor. The Middle Ages. 1. publ., 8. print. Cambridge [u.a.]: Cambridge Univ. Press, 1989.

Cita MLA (9a ed.)

Cairns, Trevor. The Middle Ages. 1. publ., 8. print. Cambridge Univ. Press, 1989.