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

APA Citation Edition Citation

Barraclough, G. (1976). The crucible of Europe: The ninth and tenth centuries in European history. Thames and Hudson.

Chicago Citation Edition Citation

Barraclough, Geoffrey. The Crucible of Europe: The Ninth and Tenth Centuries in European History. London: Thames and Hudson, 1976.

MLA Citation Edition Citation

Barraclough, Geoffrey. The Crucible of Europe: The Ninth and Tenth Centuries in European History. Thames and Hudson, 1976.