APA Style

Montessori, M. (2018). Citizen of the World: Key Montessori Readings (Volume 14) (Volume 16 in The Montessori Series). Amsterdam, Netherlands: Montessori-Pierson Publishing Company.

MLA Style

Montessori, Maria. "Citizen of the World: Key Montessori Readings (Volume 14)". Volume 16 in The Montessori Series Amsterdam, Netherlands: Montessori-Pierson Publishing Company, 2018. Text.