Cita APA (7a ed.)

Duan, R., Hao, K., & Yang, T. (2020). Air pollution and chronic obstructive pulmonary disease. KeAi Communications Co., Ltd.

Cita Chicago Style (17a ed.)

Duan, Rui-Rui, Ke Hao, y Ting Yang. Air Pollution and Chronic Obstructive Pulmonary Disease. KeAi Communications Co., Ltd, 2020.

Cita MLA (8a ed.)

Duan, Rui-Rui, et al. Air Pollution and Chronic Obstructive Pulmonary Disease. KeAi Communications Co., Ltd, 2020.