APA (7th ed.) Citation

Blüm, W. (1969). Kluge Köpfe raten gern.

Chicago Style (17th ed.) Citation

Blüm, Walter. Kluge Köpfe Raten Gern. 1969.

MLA (9th ed.) Citation

Blüm, Walter. Kluge Köpfe Raten Gern. 1969.

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