Opp, K. (2019). Archivmaterialien zu Karl-Dieter Opp, 1937-.
Chicago Style (17th ed.) CitationOpp, Karl-Dieter. Archivmaterialien Zu Karl-Dieter Opp, 1937-. 2019.
MLA (8th ed.) CitationOpp, Karl-Dieter. Archivmaterialien Zu Karl-Dieter Opp, 1937-. 2019.
Warning: These citations may not always be 100% accurate.