Cita APA (7th ed.)

Y, H., W, J., S, A., SS, H., SJ, L., & WJ, K. (2016). Sex differences of COPD phenotypes in nonsmoking patients. Dove Medical Press.

Cita Chicago (17th ed.)

Y, Hong, Ji W, An S, Han SS, Lee SJ, i Kim WJ. Sex Differences of COPD Phenotypes in Nonsmoking Patients. Dove Medical Press, 2016.

Cita MLA (9th ed.)

Y, Hong, et al. Sex Differences of COPD Phenotypes in Nonsmoking Patients. Dove Medical Press, 2016.