APA (7th ed.) Citation

Schaaf, W. L. (1987). The High School Mathematics Library. Eighth Edition.

Chicago Style (17th ed.) Citation

Schaaf, William L. The High School Mathematics Library. Eighth Edition. 1987.

MLA (9th ed.) Citation

Schaaf, William L. The High School Mathematics Library. Eighth Edition. 1987.

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