APA Citation

Sigel, I. E., & Hooper, F. H. (1968). Logical thinking in children: Research Based on Piaget's Theory. New York : Holt, Rinehart and Winston Inc.

Chicago Style Citation

Sigel, Irving E., and Frank H. Hooper. Logical Thinking in Children: Research Based On Piaget's Theory. New York : Holt, Rinehart and Winston Inc, 1968.

MLA Citation

Sigel, Irving E., and Frank H. Hooper. Logical Thinking in Children: Research Based On Piaget's Theory. New York : Holt, Rinehart and Winston Inc, 1968.

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