APA (7th ed.) Citation

Gutkind, E. A. (1962). The twilight of cities. Free Press of Glencoe [u.a.].

Chicago Style (17th ed.) Citation

Gutkind, Erwin Anton. The Twilight of Cities. New York [u.a.]: Free Press of Glencoe [u.a.], 1962.

MLA (9th ed.) Citation

Gutkind, Erwin Anton. The Twilight of Cities. Free Press of Glencoe [u.a.], 1962.