APA (7th ed.) Citation

IDEA Health & Fitness Association, Healthy Learning Videos, & O'Byrne, S. (2008). Yoga for the core. Healthy Learning.

Chicago Style (17th ed.) Citation

IDEA Health & Fitness Association, Healthy Learning Videos, and Suzette O'Byrne. Yoga for the Core. Monterey, CA: Healthy Learning, 2008.

MLA (9th ed.) Citation

IDEA Health & Fitness Association, et al. Yoga for the Core. Healthy Learning, 2008.