APA (7th ed.) Citation

Jerome, B. A., & Keck, N. (2017). Essential math series. Visual Learning Systems.

Chicago Style (17th ed.) Citation

Jerome, Brian A., and Nina Keck. Essential Math Series. Brandon, VT: Visual Learning Systems, 2017.

MLA (9th ed.) Citation

Jerome, Brian A., and Nina Keck. Essential Math Series. Visual Learning Systems, 2017.