APA Style

Maria, M. (2019). The Montessori Series Volume 1: The Absotbent Mind (1st edition). Amsterdam: Montessori-Pierson Publishing Company.

MLA Style

Maria, Montessori. "The Montessori Series Volume 1: The Absotbent Mind". 1st edition Amsterdam: Montessori-Pierson Publishing Company, 2019. Reference.