APA (7th ed.) Citation

Betz, W. (1918). Psychologie des Denkens. Barth.

Chicago Style (17th ed.) Citation

Betz, Wilhelm. Psychologie Des Denkens. Leipzig: Barth, 1918.

MLA (9th ed.) Citation

Betz, Wilhelm. Psychologie Des Denkens. Barth, 1918.

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