APA (7th ed.) Citation

Bock, F. d., Genser, B., & Fischer, J. E. (2013). A participatory physical activity intervention in preschools: A cluster randomized controlled trial. American journal of preventive medicine, 45(1), .

Chicago Style (17th ed.) Citation

Bock, Freia de, Bernd Genser, and Joachim E. Fischer. "A Participatory Physical Activity Intervention in Preschools: A Cluster Randomized Controlled Trial." American Journal of Preventive Medicine 45, no. 1 (2013).

MLA (9th ed.) Citation

Bock, Freia de, et al. "A Participatory Physical Activity Intervention in Preschools: A Cluster Randomized Controlled Trial." American Journal of Preventive Medicine, vol. 45, no. 1, 2013.

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