APA (7th ed.) Citation

Roberts, J. M. (2019). Archivmaterialien zu John M. Roberts, 1928-2003.

Chicago Style (17th ed.) Citation

Roberts, John M. Archivmaterialien Zu John M. Roberts, 1928-2003. 2019.

MLA (8th ed.) Citation

Roberts, John M. Archivmaterialien Zu John M. Roberts, 1928-2003. 2019.

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