APA (7th ed.) Citation

Copeland, R. W. (1979). How children learn mathematics: Teaching implications of Piaget's research (3rd ed.). Macmillan.

Chicago Style (17th ed.) Citation

Copeland, Richard W. How Children Learn Mathematics: Teaching Implications of Piaget's Research. 3rd ed. New York: Macmillan, 1979.

MLA (9th ed.) Citation

Copeland, Richard W. How Children Learn Mathematics: Teaching Implications of Piaget's Research. 3rd ed. Macmillan, 1979.

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