APA (7th ed.) Citation

Eicholz R. E., O. P. G. (1968). Elementary school mathematics (2-nd ed.). Addison-Wesley Pub. Co.

Chicago Style (17th ed.) Citation

Eicholz R. E., O'Daffer Ph. G. Elementary School Mathematics. 2-nd ed. Menlo Park, Ca: Addison-Wesley Pub. Co, 1968.

MLA (8th ed.) Citation

Eicholz R. E., O'Daffer Ph. G. Elementary School Mathematics. 2-nd ed. Addison-Wesley Pub. Co, 1968.