Citação norma APA

Kumar, S., Singh, D. B., & Singh, A. B. (2013). An unusual nasopharyngeal foreign body with unusual presentation as nasal regurgitation and change in voice. BMJ Publishing Group.

Citação norma Chicago

Kumar, Sunil, Devendra Bahadur Singh, and Abhishek Bahadur Singh. An Unusual Nasopharyngeal Foreign Body With Unusual Presentation As Nasal Regurgitation and Change in Voice. BMJ Publishing Group, 2013.

Citação norma MLA

Kumar, Sunil, Devendra Bahadur Singh, and Abhishek Bahadur Singh. An Unusual Nasopharyngeal Foreign Body With Unusual Presentation As Nasal Regurgitation and Change in Voice. BMJ Publishing Group, 2013.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.