APA (7th ed.) Citation

Kwok, W., Wong, J. C., Cheung, A., & Tam, T. C. Vaccination in Chronic Obstructive Pulmonary Disease. MDPI AG.

Chicago Style (17th ed.) Citation

Kwok, Wang-Chun, Jin-Ning Clarabel Wong, Aaron Cheung, and Terence Chi-Chun Tam. Vaccination in Chronic Obstructive Pulmonary Disease. MDPI AG.

MLA (9th ed.) Citation

Kwok, Wang-Chun, et al. Vaccination in Chronic Obstructive Pulmonary Disease. MDPI AG.