APA (7th ed.) Citation

Groddeck, G. W. (1949). The book of the It / by G.W. Groddeck. Vision.

Chicago Style (17th ed.) Citation

Groddeck, G. W. The Book of the It / by G.W. Groddeck. Vision, 1949.

MLA (9th ed.) Citation

Groddeck, G. W. The Book of the It / by G.W. Groddeck. Vision, 1949.

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