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

APA Citation Edition Citation

Ahrens, S. (2012). A set of western European pilgrim badges from Hierapolis of Phrygia. Tipografia vaticana.

Chicago Citation Edition Citation

Ahrens, Sven. A Set of Western European Pilgrim Badges from Hierapolis of Phrygia. Città del Vaticano: Tipografia vaticana, 2012.

MLA Citation Edition Citation

Ahrens, Sven. A Set of Western European Pilgrim Badges from Hierapolis of Phrygia. Tipografia vaticana, 2012.