Cita APA (7th ed.)

Glaeser, E. L. (2011). Triumph of the city: How our greatest invention makes us richer, smarter, greener, healthier, and happier. Penguin.

Cita Chicago (17th ed.)

Glaeser, Edward L. Triumph of the City: How Our Greatest Invention Makes Us Richer, Smarter, Greener, Healthier, and Happier. New York: Penguin, 2011.

Cita MLA (8th ed.)

Glaeser, Edward L. Triumph of the City: How Our Greatest Invention Makes Us Richer, Smarter, Greener, Healthier, and Happier. Penguin, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.