APA (7th ed.) Citation

Spitz, R. A., & Wolf, K. M. (1949). Anxiety: Its Phenomenology In The First Year Of Life (Silent). Center for the History of Psychology.

Chicago Style (17th ed.) Citation

Spitz, René A., and Katherine M. Wolf. Anxiety: Its Phenomenology In The First Year Of Life (Silent). Akron, OH: Center for the History of Psychology, 1949.

MLA (9th ed.) Citation

Spitz, René A., and Katherine M. Wolf. Anxiety: Its Phenomenology In The First Year Of Life (Silent). Center for the History of Psychology, 1949.