APA (7th ed.) Citation

Lillard, P. P. (1973). Montessori: A modern approach (1. paperback ed.). Schocken Books.

Chicago Style (17th ed.) Citation

Lillard, Paula P. Montessori: A Modern Approach. 1. paperback ed. New York: Schocken Books, 1973.

MLA (9th ed.) Citation

Lillard, Paula P. Montessori: A Modern Approach. 1. paperback ed. Schocken Books, 1973.