APA (7th ed.) Citation

Arnheim, R. A Note on Contemplation and Creativity (with 2 pictures). Festschrift Kurt Badt zum siebzigsten Geburtstage.

Chicago Style (17th ed.) Citation

Arnheim, Rudolf. "A Note on Contemplation and Creativity (with 2 Pictures)." Festschrift Kurt Badt Zum Siebzigsten Geburtstage .

MLA (8th ed.) Citation

Arnheim, Rudolf. "A Note on Contemplation and Creativity (with 2 Pictures)." Festschrift Kurt Badt Zum Siebzigsten Geburtstage, .

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