APA (7th ed.) Citation

Spitzer, H. F. (1970). Teaching elementary school mathematics ([Rev. ed].). National Education Association of the United States.

Chicago Style (17th ed.) Citation

Spitzer, Herbert Frederick. Teaching Elementary School Mathematics. [Rev. ed]. Washington: National Education Association of the United States, 1970.

MLA (8th ed.) Citation

Spitzer, Herbert Frederick. Teaching Elementary School Mathematics. [Rev. ed]. National Education Association of the United States, 1970.