APA (7th ed.) Citation

Smedslund, J. (1964). Concrete reasoning: A study of intellectual development. Child Development Publ.

Chicago Style (17th ed.) Citation

Smedslund, Jan. Concrete Reasoning: A Study of Intellectual Development. Lafayette, Ind: Child Development Publ, 1964.

MLA (9th ed.) Citation

Smedslund, Jan. Concrete Reasoning: A Study of Intellectual Development. Child Development Publ, 1964.