APA (7th ed.) Citation

John, R. L. (2019). Archivmaterialien zu Robert L. John, 1899-1981.

Chicago Style (17th ed.) Citation

John, Robert L. Archivmaterialien Zu Robert L. John, 1899-1981. 2019.

MLA (8th ed.) Citation

John, Robert L. Archivmaterialien Zu Robert L. John, 1899-1981. 2019.

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