Cita APA (7a ed.)
Eckardt, W. v. The Challenge of Megalopolis: A Graphic Presentation of the Urbanized Northeastern Seaboard of the United States : Based on the Original Study by Jean Gottmann. Macmillan.
Cita estilo Chicago (17a ed.)
Eckardt, Wolf von. The Challenge of Megalopolis: A Graphic Presentation of the Urbanized Northeastern Seaboard of the United States : Based on the Original Study by Jean Gottmann. Washington, EUA: Macmillan.
Cita MLA (9a ed.)
Eckardt, Wolf von. The Challenge of Megalopolis: A Graphic Presentation of the Urbanized Northeastern Seaboard of the United States : Based on the Original Study by Jean Gottmann. Macmillan.
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