Duff, E. G. (2019). Archivmaterialien zu E. Gordon Duff, 1863-1924.
Chicago Style (17th ed.) CitationDuff, E. Gordon. Archivmaterialien Zu E. Gordon Duff, 1863-1924. 2019.
MLA (8th ed.) CitationDuff, E. Gordon. Archivmaterialien Zu E. Gordon Duff, 1863-1924. 2019.
Warning: These citations may not always be 100% accurate.