APA (7th ed.) Citation

Edinburgh Festival Society & Röthel, H. K. (1960). The Blue Rider Group. Royal Scottish Academy.

Chicago Style (17th ed.) Citation

Edinburgh Festival Society and Hans Konrad Röthel. The Blue Rider Group. Edinb.: Royal Scottish Academy, 1960.

MLA (8th ed.) Citation

Edinburgh Festival Society and Hans Konrad Röthel. The Blue Rider Group. Royal Scottish Academy, 1960.

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