Citação norma APA

Liu, Y., Croft, J. B., Anderson, L. A., Wheaton, A. G., Presley-Cantrell, L. R., & Ford, E. S. (2014). The association of chronic obstructive pulmonary disease, disability, engagement in social activities, and mortality among US adults aged 70 years or older, 1994–2006. Dove Medical Press.

Citação norma Chicago

Liu, Yong, Janet B. Croft, Lynda A. Anderson, Anne G. Wheaton, Letitia R. Presley-Cantrell, and Earl S. Ford. The Association of Chronic Obstructive Pulmonary Disease, Disability, Engagement in Social Activities, and Mortality Among US Adults Aged 70 Years or Older, 1994–2006. Dove Medical Press, 2014.

Citação norma MLA

Liu, Yong, et al. The Association of Chronic Obstructive Pulmonary Disease, Disability, Engagement in Social Activities, and Mortality Among US Adults Aged 70 Years or Older, 1994–2006. Dove Medical Press, 2014.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.