APA (7th ed.) Citation

Usher, R. G. Archivmaterialien zu Roland G. Usher, 1880-.

Chicago Style (17th ed.) Citation

Usher, Roland G. Archivmaterialien Zu Roland G. Usher, 1880-.

MLA (9th ed.) Citation

Usher, Roland G. Archivmaterialien Zu Roland G. Usher, 1880-.

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