APA (7th ed.) Citation

Wallas, G. (1945). The art of thought / Graham Wallas (Abridged ed.). Watts.

Chicago Style (17th ed.) Citation

Wallas, Graham. The Art of Thought / Graham Wallas. Abridged ed. Watts, 1945.

MLA (9th ed.) Citation

Wallas, Graham. The Art of Thought / Graham Wallas. Abridged ed. Watts, 1945.

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