APA (7th ed.) Citation

Opel, J. O. (2019). Archivmaterialien zu Julius Otto Opel, 1829-1895.

Chicago Style (17th ed.) Citation

Opel, Julius Otto. Archivmaterialien Zu Julius Otto Opel, 1829-1895. 2019.

MLA (9th ed.) Citation

Opel, Julius Otto. Archivmaterialien Zu Julius Otto Opel, 1829-1895. 2019.

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