Cita APA (7a ed.)

Sociedad Europea de Respiratorio, Postma, D. S., & Siafakas, N. M. (1998). Management of chronic obstructive pulmonary disease. European Respiratory Society Journals.

Cita Chicago Style (17a ed.)

Sociedad Europea de Respiratorio, D. S. Postma, y N. M. Siafakas. Management of Chronic Obstructive Pulmonary Disease. Sheffield, U.K.: European Respiratory Society Journals, 1998.

Cita MLA (9a ed.)

Sociedad Europea de Respiratorio, et al. Management of Chronic Obstructive Pulmonary Disease. European Respiratory Society Journals, 1998.