MLA
Chillón, Palma, et al. A Cross-sectional Study of Demographic, Environmental and Parental Barriers to Active School Travel Among Children In the United States. BioMed Central Ltd, 2014. https://doi.org/10.17615/dwan-hr53
APA
Chillón, P., Hales, D., Vaughn, A., Gizlice, Z., Ni, A., & Ward, D. (2014). A cross-sectional study of demographic, environmental and parental barriers to active school travel among children in the United States. BioMed Central Ltd. https://doi.org/10.17615/dwan-hr53
Chicago
Chillón, Palma, Derek Hales, Amber Vaughn, Ziya Gizlice, Andy Ni, and Dianne Ward. 2014. A Cross-Sectional Study of Demographic, Environmental and Parental Barriers to Active School Travel Among Children In the United States. BioMed Central Ltd. https://doi.org/10.17615/dwan-hr53