Cita APA

Mumford, L., & Van Loon, H. W. (1923). The story of Utopias (2nd ed.). New York: Boni and Liveright.

Citación estilo Chicago

Mumford, Lewis, y Hendrik Willem Van Loon. The Story of Utopias. 2nd ed. New York: Boni and Liveright, 1923.

Cita MLA

Mumford, Lewis, y Hendrik Willem Van Loon. The Story of Utopias. 2nd ed. New York: Boni and Liveright, 1923.