Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition CitationMarkus, R. A. (1997). Gregory the Great and his world. Cambridge University Press.
Chicago Citation Edition CitationMarkus, R. A. Gregory the Great and His World. Cambridge: Cambridge University Press, 1997.
MLA Citation Edition CitationMarkus, R. A. Gregory the Great and His World. Cambridge University Press, 1997.