Cita APA (7a ed.)

Yousaf, N., Monteiro, W., Parker, D., Matos, S., Birring, S., & Pavord, I. (2010). Long-term low-dose erythromycin in patients with unexplained chronic cough: A double-blind placebo controlled trial.

Cita Chicago Style (17a ed.)

Yousaf, N., W. Monteiro, D. Parker, S. Matos, S. Birring, y I. Pavord. Long-term Low-dose Erythromycin in Patients with Unexplained Chronic Cough: A Double-blind Placebo Controlled Trial. 2010.

Cita MLA (9a ed.)

Yousaf, N., et al. Long-term Low-dose Erythromycin in Patients with Unexplained Chronic Cough: A Double-blind Placebo Controlled Trial. 2010.