APA Citation

Spencer, P. L. (1952). Building mathematical concepts in in the elementary school. Henry Holt and Comp.

Chicago Style Citation

Spencer, Peter Lincoln. Building Mathematical Concepts in in the Elementary School. Henry Holt and Comp, 1952.

MLA Citation

Spencer, Peter Lincoln. Building Mathematical Concepts in in the Elementary School. Henry Holt and Comp, 1952.

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