APA (7th ed.) Citation

(1980). Duisburger Studien. Gilles & Francke.

Chicago Style (17th ed.) Citation

Duisburger Studien. Duisburg: Gilles & Francke, 1980.

MLA (8th ed.) Citation

Duisburger Studien. Gilles & Francke, 1980.

Warning: These citations may not always be 100% accurate.