APA (7th ed.) Citation

Gillis, J. M. (2012). Everything you need to know about complex numbers. BrainMass Inc.

Chicago Style (17th ed.) Citation

Gillis, John M. Everything You Need to Know About Complex Numbers. [Newmarket, Ont.]: BrainMass Inc, 2012.

MLA (9th ed.) Citation

Gillis, John M. Everything You Need to Know About Complex Numbers. BrainMass Inc, 2012.

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