APA (7th ed.) Citation

Schaaf, W. L. (1982). The High School Mathematics Library. Seventh Edition.

Chicago Style (17th ed.) Citation

Schaaf, William L. The High School Mathematics Library. Seventh Edition. 1982.

MLA (9th ed.) Citation

Schaaf, William L. The High School Mathematics Library. Seventh Edition. 1982.

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