Cita APA (7a ed.)

Von Eckardt, W. (1964). The challenge of megalopolis: A graphic presentation of the urbanized Northeastern seaboard of the United States ... The Macmillan company.

Cita Chicago Style (17a ed.)

Von Eckardt, Wolf. The Challenge of Megalopolis: A Graphic Presentation of the Urbanized Northeastern Seaboard of the United States ... New York: The Macmillan company, 1964.

Cita MLA (9a ed.)

Von Eckardt, Wolf. The Challenge of Megalopolis: A Graphic Presentation of the Urbanized Northeastern Seaboard of the United States ... The Macmillan company, 1964.