APA (7th ed.) Citation

Spitzer, H. F. (1970). Teaching elementary school mathematics. National Education Association.

Chicago Style (17th ed.) Citation

Spitzer, Herbert F. Teaching Elementary School Mathematics. [Washington]: National Education Association, 1970.

MLA (9th ed.) Citation

Spitzer, Herbert F. Teaching Elementary School Mathematics. National Education Association, 1970.

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