APA (7th ed.) Citation

Becker, W. (1970). Gedanken im Wallraf-Richartz-Museum.

Chicago Style (17th ed.) Citation

Becker, Wolfgang. Gedanken Im Wallraf-Richartz-Museum. 1970.

MLA (9th ed.) Citation

Becker, Wolfgang. Gedanken Im Wallraf-Richartz-Museum. 1970.

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