APA Citation

Weber, B., & Keller, G. (1971). Der Maler Gottfried Keller. Basel.

Chicago Style Citation

Weber, Bruno, and Gottfried Keller. Der Maler Gottfried Keller. Basel, 1971.

MLA Citation

Weber, Bruno, and Gottfried Keller. Der Maler Gottfried Keller. Basel, 1971.

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