Cita APA (7th ed.)

Gutkind, E. (1967). International history of city: Development. Free pr.

Cita Chicago (17th ed.)

Gutkind, E.A. International History of City: Development. New York: Free pr, 1967.

Cita MLA (9th ed.)

Gutkind, E.A. International History of City: Development. Free pr, 1967.