APA (7th ed.) Citation

Grossnickle, F. E., Brueckner, L. J., & Reckzeh, J. (1968). Discovering meanings in elementary school mathematics (5. ed.). Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Grossnickle, Foster E., Leo J. Brueckner, and John Reckzeh. Discovering Meanings in Elementary School Mathematics. 5. ed. New York [u.a.]: Holt, Rinehart and Winston, 1968.

MLA (9th ed.) Citation

Grossnickle, Foster E., et al. Discovering Meanings in Elementary School Mathematics. 5. ed. Holt, Rinehart and Winston, 1968.