APA (7th ed.) Citation

Montessori, M. (1967). The discovery of the child. Ballantine Books.

Chicago Style (17th ed.) Citation

Montessori, Maria. The Discovery of the Child. New York: Ballantine Books, 1967.

MLA (9th ed.) Citation

Montessori, Maria. The Discovery of the Child. Ballantine Books, 1967.

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