APA (7th ed.) Citation

Montessori, M., & Orem, R. C. (1965). A Montessori handbook: "Dr. Montessori's own handbook.". Putnam.

Chicago Style (17th ed.) Citation

Montessori, Maria, and Reginald Calvert Orem. A Montessori Handbook: "Dr. Montessori's Own Handbook.". New York: Putnam, 1965.

MLA (9th ed.) Citation

Montessori, Maria, and Reginald Calvert Orem. A Montessori Handbook: "Dr. Montessori's Own Handbook.". Putnam, 1965.