APA (7th ed.) Citation

Perthes, B. Archivmaterialien zu Bernhardt Perthes, 1821-1857.

Chicago Style (17th ed.) Citation

Perthes, Bernhardt. Archivmaterialien Zu Bernhardt Perthes, 1821-1857.

MLA (9th ed.) Citation

Perthes, Bernhardt. Archivmaterialien Zu Bernhardt Perthes, 1821-1857.

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