APA (7th ed.) Citation

Groos, P. (2019). Archivmaterialien zu Petrus Groos.

Chicago Style (17th ed.) Citation

Groos, Petrus. Archivmaterialien Zu Petrus Groos. 2019.

MLA (9th ed.) Citation

Groos, Petrus. Archivmaterialien Zu Petrus Groos. 2019.

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