APA (7th ed.) Citation

Frey, G. (2019). Archivmaterialien zu Gerhard Frey, 1915-2002.

Chicago Style (17th ed.) Citation

Frey, Gerhard. Archivmaterialien Zu Gerhard Frey, 1915-2002. 2019.

MLA (8th ed.) Citation

Frey, Gerhard. Archivmaterialien Zu Gerhard Frey, 1915-2002. 2019.

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