APA (7th ed.) Citation

Unión Geográfica Internacional. Commission on National Settlement Systems. editor. (1979). The National settlement systems. International Geographical Union, Commission on National Settlement Systems.

Chicago Style (17th ed.) Citation

Unión Geográfica Internacional. Commission on National Settlement Systems. editor. The National Settlement Systems. Warsaw: International Geographical Union, Commission on National Settlement Systems, 1979.

MLA (9th ed.) Citation

Unión Geográfica Internacional. Commission on National Settlement Systems. editor. The National Settlement Systems. International Geographical Union, Commission on National Settlement Systems, 1979.