APA (7th ed.) Citation

DA, C., TL, M., A, S., S, W., D, G., & N, L. (2007). Contribution of public parks to physical activity. American Journal of Public Health, 97(3), 509. https://doi.org/10.2105/AJPH.2005.072447

Chicago Style (17th ed.) Citation

DA, Cohen, McKenzie TL, Sehgal A, Williamson S, Golinelli D, and Lurie N. "Contribution of Public Parks to Physical Activity." American Journal of Public Health 97, no. 3 (2007): 509. https://doi.org/10.2105/AJPH.2005.072447.

MLA (9th ed.) Citation

DA, Cohen, et al. "Contribution of Public Parks to Physical Activity." American Journal of Public Health, vol. 97, no. 3, 2007, p. 509, https://doi.org/10.2105/AJPH.2005.072447.