APA citiranje

Krueger, I. (2007). An emerald of glass: The emerald of Charlemagne at Mittelzell, Reichenau. Facts and artefacts.

Chicago Style Citation

Krueger, Ingeborg. "An Emerald of Glass: The Emerald of Charlemagne At Mittelzell, Reichenau." Facts and Artefacts 2007.

MLA citiranje

Krueger, Ingeborg. "An Emerald of Glass: The Emerald of Charlemagne At Mittelzell, Reichenau." Facts and Artefacts 2007.