APA (7th ed.) Citation

KELLEY, J. L., & RICHERT, D. (1969). Elementary mathematics for teachers. Holden-Day.

Chicago Style (17th ed.) Citation

KELLEY, John L., and Donald RICHERT. Elementary Mathematics for Teachers. Berkeley: Holden-Day, 1969.

MLA (9th ed.) Citation

KELLEY, John L., and Donald RICHERT. Elementary Mathematics for Teachers. Holden-Day, 1969.