APA (7th ed.) Citation

Braunfeld, P. G., Brown,Jr., O. R., Genise, L. R., & Mathematics, o. o. t. s. o. t. U. o. I. C. o. S. (1969). Stretchers and shrinkers. Harper & Row.

Chicago Style (17th ed.) Citation

Braunfeld, Peter G., O. Robert Brown,Jr., L. Roland Genise, and others of the staff of the University of Illinois Committee on School Mathematics. Stretchers and Shrinkers. New York: Harper & Row, 1969.

MLA (9th ed.) Citation

Braunfeld, Peter G., et al. Stretchers and Shrinkers. Harper & Row, 1969.