APA Citation

Gunning, J. (1937). Over Montessori. Groningen: J.B. Wolters.

Chicago Style Citation

Gunning, J.H. Over Montessori. Groningen: J.B. Wolters, 1937.

MLA Citation

Gunning, J.H. Over Montessori. Groningen: J.B. Wolters, 1937.

Warning: These citations may not always be 100% accurate.