APA-Zitierstil (7. Ausg.)

Barker, J. W. (1977). Justinian and the later Roman Empire. Univ. of Wisconsin Press.

Chicago-Zitierstil (17. Ausg.)

Barker, John W. Justinian and the Later Roman Empire. Madison: Univ. of Wisconsin Press, 1977.

MLA-Zitierstil (9. Ausg.)

Barker, John W. Justinian and the Later Roman Empire. Univ. of Wisconsin Press, 1977.