APA Style

Kleijn,, O, H, G, D. (22 Jun 2007). Crises and the Roman Empire Proceedings of the Seventh Workshop of the International Network Impact of Empire (Nijmegen, June 20-24, 2006) . Brill: https://brill.com/.

MLA Style

Kleijn,, O., Hekster,, G., De. "Crises and the Roman Empire Proceedings of the Seventh Workshop of the International Network Impact of Empire (Nijmegen, June 20-24, 2006)". Brill: https://brill.com/, 22 Jun 2007. Text.