APA (7th ed.) Citation

Bühler, K. (1930). The Mental Development of the child: A summary of modern psychological theory. Kegan Paul [u.a.].

Chicago Style (17th ed.) Citation

Bühler, Karl. The Mental Development of the Child: A Summary of Modern Psychological Theory. London: Kegan Paul [u.a.], 1930.

MLA (9th ed.) Citation

Bühler, Karl. The Mental Development of the Child: A Summary of Modern Psychological Theory. Kegan Paul [u.a.], 1930.