APA (7th ed.) Citation

Ferrari, I., Schuler, P., Kress, J., Bretz, K., & Niederberger, L. The open gym—an active (lunch)time offering at all-day schools. Frontiers Media S.A.

Chicago Style (17th ed.) Citation

Ferrari, Ilaria, Patricia Schuler, Johanna Kress, Kathrin Bretz, and Lukas Niederberger. The Open Gym—an Active (lunch)time Offering at All-day Schools. Frontiers Media S.A.

MLA (9th ed.) Citation

Ferrari, Ilaria, et al. The Open Gym—an Active (lunch)time Offering at All-day Schools. Frontiers Media S.A.

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