Cita APA (7th ed.)

Uekötter, F. (2009). The age of smoke: Environmental policy in Germany and the United States, 1880-1970. University of Pittsburgh Press.

Cita Chicago (17th ed.)

Uekötter, Frank. The Age of Smoke: Environmental Policy in Germany and the United States, 1880-1970. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2009.

Cita MLA (9th ed.)

Uekötter, Frank. The Age of Smoke: Environmental Policy in Germany and the United States, 1880-1970. University of Pittsburgh Press, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.