APA (7th ed.) Citation

Gattegno, C. (1963). For the teaching of mathematics. Educational Explorers.

Chicago Style (17th ed.) Citation

Gattegno, C. For the Teaching of Mathematics. Reading, U.K.: Educational Explorers, 1963.

MLA (9th ed.) Citation

Gattegno, C. For the Teaching of Mathematics. Educational Explorers, 1963.

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