Cita APA (7a ed.)

(1999). Community-acquired pneumonia requiring hospitalization in the elderly. Clinical features and prognosis.

Cita Chicago Style (17a ed.)

Community-acquired Pneumonia Requiring Hospitalization in the Elderly. Clinical Features and Prognosis. 1999.

Cita MLA (8a ed.)

Community-acquired Pneumonia Requiring Hospitalization in the Elderly. Clinical Features and Prognosis. 1999.