Cita APA

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

Chicago Edition Citation

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

Cita MLA

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