APA (7th ed.) Citation

Glennon, V. J., & Callahan, L. G. Elementary school mathematics: A guide to current research (3rd ed.).

Chicago Style (17th ed.) Citation

Glennon, Vincent J., and L. G. Callahan. Elementary School Mathematics: A Guide to Current Research. 3rd ed. Washington, D.C. Association fo Supervision and Curriculum Development, c1968.

MLA (9th ed.) Citation

Glennon, Vincent J., and L. G. Callahan. Elementary School Mathematics: A Guide to Current Research. 3rd ed.