Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Hanson, W. S. (2002). Why did the Roman empire cease to expand? Archaeopress.

Chicago Citation Edition Citation

Hanson, W. S. Why Did the Roman Empire Cease to Expand? Oxford: Archaeopress, 2002.

MLA Citation Edition Citation

Hanson, W. S. Why Did the Roman Empire Cease to Expand? Archaeopress, 2002.