APA (7th ed.) Citation

Irving, L. (2012). Zero the math hero - geometry tutor. TMW Media Group.

Chicago Style (17th ed.) Citation

Irving, Lowell. Zero the Math Hero - Geometry Tutor. Venice, CA: TMW Media Group, 2012.

MLA (9th ed.) Citation

Irving, Lowell. Zero the Math Hero - Geometry Tutor. TMW Media Group, 2012.

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