Cita APA

Barnes, P. J., & Godfrey, S. (2000). Chronic obstructive pulmonary disease (2nd ed.). Martin Dunitz.

Citación estilo Chicago

Barnes, Peter J., and S. Godfrey. Chronic Obstructive Pulmonary Disease. 2nd ed. London: Martin Dunitz, 2000.

Cita MLA

Barnes, Peter J., and S. Godfrey. Chronic Obstructive Pulmonary Disease. 2nd ed. Martin Dunitz, 2000.