Cita APA (7a ed.)

Duden, K. (1960). The English Duden: A pictorial dictionary with English and German indexes (2nd rev. ed.). Editorial Juventud.

Cita Chicago Style (17a ed.)

Duden, Konrad. The English Duden: A Pictorial Dictionary with English and German Indexes. 2nd rev. ed. Barcelona: Editorial Juventud, 1960.

Cita MLA (9a ed.)

Duden, Konrad. The English Duden: A Pictorial Dictionary with English and German Indexes. 2nd rev. ed. Editorial Juventud, 1960.