Helbig, G. (2019). Archivmaterialien zu Gerhard Helbig, 1929-2008.
Chicago Style (17th ed.) CitationHelbig, Gerhard. Archivmaterialien Zu Gerhard Helbig, 1929-2008. 2019.
MLA (8th ed.) CitationHelbig, Gerhard. Archivmaterialien Zu Gerhard Helbig, 1929-2008. 2019.
Warning: These citations may not always be 100% accurate.