APA (7th ed.) Citation

(2012). Everything you need to know about quadratic equations / by John M. Gillis.

Chicago Style (17th ed.) Citation

Everything You Need to Know About Quadratic Equations / by John M. Gillis. 2012.

MLA (9th ed.) Citation

Everything You Need to Know About Quadratic Equations / by John M. Gillis. 2012.

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