APA (7th ed.) Citation

Hamley, H. R. (1934). Relational and functional thinking in mathematics. Bureau of Publications, Teachers College, Columbia Univ..

Chicago Style (17th ed.) Citation

Hamley, Herbert Russell. Relational and Functional Thinking in Mathematics. New York: Bureau of Publications, Teachers College, Columbia Univ., 1934.

MLA (9th ed.) Citation

Hamley, Herbert Russell. Relational and Functional Thinking in Mathematics. Bureau of Publications, Teachers College, Columbia Univ., 1934.