APA (7th ed.) Citation

Schaefer, B. (2004). Shapes & colours. [Dueck].

Chicago Style (17th ed.) Citation

Schaefer, Benjamin. Shapes & Colours. [Köln]: [Dueck], 2004.

MLA (9th ed.) Citation

Schaefer, Benjamin. Shapes & Colours. [Dueck], 2004.

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