APA (7th ed.) Citation

Köhler, R. Räumliches Denken. Cornelsen.

Chicago Style (17th ed.) Citation

Köhler, Rudolf. Räumliches Denken. Düsseldorf: Cornelsen.

MLA (9th ed.) Citation

Köhler, Rudolf. Räumliches Denken. Cornelsen.

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