Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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