APA (7th ed.) Citation

Gattegno, C. (1963). Now Johnny can de arithmetic: A guide for the use of the cuisenaire materials. Educational Explorers Limited.

Chicago Style (17th ed.) Citation

Gattegno, C. Now Johnny Can De Arithmetic: A Guide for the Use of the Cuisenaire Materials. Educational Explorers Limited, 1963.

MLA (8th ed.) Citation

Gattegno, C. Now Johnny Can De Arithmetic: A Guide for the Use of the Cuisenaire Materials. Educational Explorers Limited, 1963.

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