APA Style

Montessori, M. (2015). The 1946 London Lectures (Volume 17) (First English edition — Volume 17 in The Montessor). Amsterdam, Netherlands: Montessori-Pierson Publishing Company.

MLA Style

Montessori, Maria. "The 1946 London Lectures (Volume 17)". First English edition — Volume 17 in The Montessor Amsterdam, Netherlands: Montessori-Pierson Publishing Company, 2015. Text.