APA Style

Slootjes, O, H, G, D, K, A, D. (30 Jun 2007). Crises and the Roman Empire . Brill: https://brill.com/.

MLA Style

Slootjes, O., Hekster,, G., De, Kleijn,, And, Daniëlle. "Crises and the Roman Empire". Brill: https://brill.com/, 30 Jun 2007. Text.