APA (7th ed.) Citation

Duden, K. (1958). The Duden pictorial encyclopedia in five languages: English, French, German, Italian, Spanish. Over 30,000 key words explained in pictures; with indexes in five languages (Second, enlarged edition.). F. Ungar Pub. Co..

Chicago Style (17th ed.) Citation

Duden, Konrad. The Duden Pictorial Encyclopedia in Five Languages: English, French, German, Italian, Spanish. Over 30,000 Key Words Explained in Pictures; with Indexes in Five Languages. Second, enlarged edition. New York: F. Ungar Pub. Co., 1958.

MLA (9th ed.) Citation

Duden, Konrad. The Duden Pictorial Encyclopedia in Five Languages: English, French, German, Italian, Spanish. Over 30,000 Key Words Explained in Pictures; with Indexes in Five Languages. Second, enlarged edition. F. Ungar Pub. Co., 1958.