Thomson, W. A. R. (1979). A change of air: Climate and health (1st American ed.). C. Scribner's Sons.
Cita Chicago (17th ed.)Thomson, William A. R. A Change of Air: Climate and Health. 1st American ed. New York: C. Scribner's Sons, 1979.
Cita MLA (9th ed.)Thomson, William A. R. A Change of Air: Climate and Health. 1st American ed. C. Scribner's Sons, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.