Cita APA (7a ed.)

Huffman, J. P. (2018). The Imperial City of Cologne: From Roman Colony to Medieval Metropolis (19 B.C.-1125 A.D.). Amsterdam University Press.

Cita Chicago Style (17a ed.)

Huffman, Joseph P. The Imperial City of Cologne: From Roman Colony to Medieval Metropolis (19 B.C.-1125 A.D.). Amsterdam: Amsterdam University Press, 2018.

Cita MLA (8a ed.)

Huffman, Joseph P. The Imperial City of Cologne: From Roman Colony to Medieval Metropolis (19 B.C.-1125 A.D.). Amsterdam University Press, 2018.