APA-referens (7:e uppl.)

(1960). The English Duden: A pictorial dictionary with English and German indexes / Ed. by the Fachred. of the Bibliogr. Inst., Mannheim, and the Modern Languages Departm. of George G. Harrap and Co. Ltd, London (2., rev. ed.). Bibliograph. Institut.

Chicago-referens (17:e uppl.)

The English Duden: A Pictorial Dictionary with English and German Indexes / Ed. by the Fachred. of the Bibliogr. Inst., Mannheim, and the Modern Languages Departm. of George G. Harrap and Co. Ltd, London. 2., rev. ed. Mannheim: Bibliograph. Institut, 1960.

MLA-referens (8:e uppl.)

The English Duden: A Pictorial Dictionary with English and German Indexes / Ed. by the Fachred. of the Bibliogr. Inst., Mannheim, and the Modern Languages Departm. of George G. Harrap and Co. Ltd, London. 2., rev. ed. Bibliograph. Institut, 1960.