APA (7th ed.) Citation

ECA World Fitness (Firm), Healthy Learning Videos, & Melani, R. E. (2009). Let's roll. Healthy Learning.

Chicago Style (17th ed.) Citation

ECA World Fitness (Firm), Healthy Learning Videos, and Roberto E. Melani. Let's Roll. Monterey, CA: Healthy Learning, 2009.

MLA (9th ed.) Citation

ECA World Fitness (Firm), et al. Let's Roll. Healthy Learning, 2009.