APA Style

Maria, M. (2020). The Montessori Series Volume 2: The Discovery of the Child Formerly entitle The Montessori Method (1st edition). Amsterdam: Montessori-Pierson Publishing Company.

MLA Style

Maria, Montessori. "The Montessori Series Volume 2: The Discovery of the Child Formerly entitle The Montessori Method". 1st edition Amsterdam: Montessori-Pierson Publishing Company, 2020. Reference.