APA Edition Citation

Montessori, M., & Costelloe, M. J. (1972). Discovery of the child. Random House.

Chicago Edition Citation

Montessori, Maria, and M. Joseph Costelloe. Discovery of the Child. New York: Random House, 1972.

MLA Edition Citation

Montessori, Maria, and M. Joseph Costelloe. Discovery of the Child. Random House, 1972.

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