APA (7th ed.) Citation

Riedesel, C. A., & Suydam, M. N. (1969). Research on Mathematics Education, Grades K-8, for 1968.

Chicago Style (17th ed.) Citation

Riedesel, C. Alan, and Marilyn N. Suydam. Research on Mathematics Education, Grades K-8, for 1968. 1969.

MLA (9th ed.) Citation

Riedesel, C. Alan, and Marilyn N. Suydam. Research on Mathematics Education, Grades K-8, for 1968. 1969.

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