APA (7th ed.) Citation

Petrus. Archivmaterialien zu Petrus (von Schaumberg, Kardinal), 1388-1469.

Chicago Style (17th ed.) Citation

Petrus. Archivmaterialien Zu Petrus (von Schaumberg, Kardinal), 1388-1469.

MLA (9th ed.) Citation

Petrus. Archivmaterialien Zu Petrus (von Schaumberg, Kardinal), 1388-1469.

Warning: These citations may not always be 100% accurate.