APA (7th ed.) Citation

Schaaf, W. L. (1967). The high school mathematics library ([3d ed.].). National Council of Teachers of Mathematics.

Chicago Style (17th ed.) Citation

Schaaf, William L. The High School Mathematics Library. [3d ed.]. Washington: National Council of Teachers of Mathematics, 1967.

MLA (8th ed.) Citation

Schaaf, William L. The High School Mathematics Library. [3d ed.]. National Council of Teachers of Mathematics, 1967.

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