APA (7th ed.) Citation

Sommer, R., Till, M., Boyer, L., Weber, P., Sauter, A., Ferschl, S., . . . Gelius, P. The challenge of participatory projects for physical activity promotion: What to scale and how to scale? Public Library of Science (PLoS).

Chicago Style (17th ed.) Citation

Sommer, Raluca, et al. The Challenge of Participatory Projects for Physical Activity Promotion: What to Scale and How to Scale? Public Library of Science (PLoS).

MLA (9th ed.) Citation

Sommer, Raluca, et al. The Challenge of Participatory Projects for Physical Activity Promotion: What to Scale and How to Scale? Public Library of Science (PLoS).

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