Cita APA (7a ed.)

Kosto, A. J. (2012). Hostages in the Middle Ages (1. publ.). Oxford Univ. Press.

Cita Chicago Style (17a ed.)

Kosto, Adam J. Hostages in the Middle Ages. 1. publ. Oxford: Oxford Univ. Press, 2012.

Cita MLA (8a ed.)

Kosto, Adam J. Hostages in the Middle Ages. 1. publ. Oxford Univ. Press, 2012.