Cita APA

Bhatti, H., & Usman, F. (2013). A 50 year old man with progressive cough and exertional dyspnea. Medknow Publications & Media Pvt Ltd.

Citación estilo Chicago

Bhatti, Hammad, y Faisal Usman. A 50 Year Old Man With Progressive Cough and Exertional Dyspnea. Medknow Publications & Media Pvt Ltd, 2013.

Cita MLA

Bhatti, Hammad, y Faisal Usman. A 50 Year Old Man With Progressive Cough and Exertional Dyspnea. Medknow Publications & Media Pvt Ltd, 2013.