Citação norma APA

Ding, B., Small, M., Bergström, G., & Holmgren, U. (2017). A cross-sectional survey of night-time symptoms and impact of sleep disturbance on symptoms and health status in patients with COPD. Int J Chron Obstruct Pulmon Dis.

Citação norma Chicago

Ding, Bo, Mark Small, Gina Bergström, and Ulf Holmgren. "A Cross-sectional Survey of Night-time Symptoms and Impact of Sleep Disturbance On Symptoms and Health Status in Patients With COPD." Int J Chron Obstruct Pulmon Dis 2017.

Citação norma MLA

Ding, Bo, Mark Small, Gina Bergström, and Ulf Holmgren. "A Cross-sectional Survey of Night-time Symptoms and Impact of Sleep Disturbance On Symptoms and Health Status in Patients With COPD." Int J Chron Obstruct Pulmon Dis 2017.

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