APA (7th ed.) Citation

Opel, A. Archivmaterialien zu Adolf Opel, 1935-2018.

Chicago Style (17th ed.) Citation

Opel, Adolf. Archivmaterialien Zu Adolf Opel, 1935-2018.

MLA (9th ed.) Citation

Opel, Adolf. Archivmaterialien Zu Adolf Opel, 1935-2018.

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