Cita APA (7th ed.)

Lorenz, A., & Schleh, J. (1996). Metropolis: Ten cities, ten centuries. Harry N. Abrams.

Cita Chicago (17th ed.)

Lorenz, Albert, i Joy Schleh. Metropolis: Ten Cities, Ten Centuries. New York: Harry N. Abrams, 1996.

Cita MLA (9th ed.)

Lorenz, Albert, i Joy Schleh. Metropolis: Ten Cities, Ten Centuries. Harry N. Abrams, 1996.