Cita APA

General Assembly (8th.), International Congress (7th.), & International Geographical Union. (1952). Proceedings. Washington: National Academy.

Citación estilo Chicago

General Assembly (8th.), International Congress (7th.), y International Geographical Union. Proceedings. Washington: National Academy, 1952.

Cita MLA

General Assembly (8th.), International Congress (7th.), y International Geographical Union. Proceedings. Washington: National Academy, 1952.

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