MLA
Attard, Samantha M, et al. Differential Associations of Urbanicity and Income with Physical Activity In Adults In Urbanizing China: Findings From the Population-based China Health and Nutrition Survey 1991-2009. BioMed Central, 2015. https://doi.org/10.17615/e3t2-nd26
APA
Attard, S., Howard, A., Herring, A., Zhang, B., Du, S., Aiello, A., Popkin, B., & Gordon Larsen, P. (2015). Differential associations of urbanicity and income with physical activity in adults in urbanizing China: findings from the population-based China Health and Nutrition Survey 1991-2009. BioMed Central. https://doi.org/10.17615/e3t2-nd26
Chicago
Attard, Samantha M, Annie Green Howard, Amy Herring, Bing Zhang, Shufa Du, Allison Aiello, Barry Popkin et al. 2015. Differential Associations of Urbanicity and Income with Physical Activity In Adults In Urbanizing China: Findings From the Population-Based China Health and Nutrition Survey 1991-2009. BioMed Central. https://doi.org/10.17615/e3t2-nd26