Einhard. Psalterium adbreviatum Vercellense. Brepols Publishers.
Chicago Style (17th ed.) CitationEinhard. Psalterium Adbreviatum Vercellense. Turnhout: Brepols Publishers.
MLA (9th ed.) CitationEinhard. Psalterium Adbreviatum Vercellense. Brepols Publishers.
Warning: These citations may not always be 100% accurate.