APA (7th ed.) Citation

Roberts, R. C. (2019). Archivmaterialien zu Robert C. Roberts, 1942-.

Chicago Style (17th ed.) Citation

Roberts, Robert C. Archivmaterialien Zu Robert C. Roberts, 1942-. 2019.

MLA (8th ed.) Citation

Roberts, Robert C. Archivmaterialien Zu Robert C. Roberts, 1942-. 2019.

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