Cita APA

Montessori, M. 1., & Costelloe, M. J. (. 1. (1976). The discovery of the child (5th printing.). New York: Ballantine Books.

Citación estilo Chicago

Montessori, Maria 1870-1952, and M. Joseph (S.I.) 1914-2000 Costelloe. The Discovery of the Child. 5th printing. New York: Ballantine Books, 1976.

Cita MLA

Montessori, Maria 1870-1952, and M. Joseph (S.I.) 1914-2000 Costelloe. The Discovery of the Child. 5th printing. New York: Ballantine Books, 1976.