APA (7th ed.) Citation

Portig, G. Archivmaterialien zu Gustav Portig, 1838-1911.

Chicago Style (17th ed.) Citation

Portig, Gustav. Archivmaterialien Zu Gustav Portig, 1838-1911.

MLA (9th ed.) Citation

Portig, Gustav. Archivmaterialien Zu Gustav Portig, 1838-1911.

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