APA (7th ed.) Citation

Allen, J. (2006). Hostages and hostage-taking in the Roman Empire (1. publ.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Allen, Joel. Hostages and Hostage-taking in the Roman Empire. 1. publ. Cambridge [u.a]: Cambridge Univ. Press, 2006.

MLA (9th ed.) Citation

Allen, Joel. Hostages and Hostage-taking in the Roman Empire. 1. publ. Cambridge Univ. Press, 2006.