APA (7th ed.) Citation

NELSON. (1983). SUDAN: A country study (3rd edition.). United States Government.

Chicago Style (17th ed.) Citation

NELSON. SUDAN: A Country Study. 3rd edition. Washington DC: United States Government, 1983.

MLA (8th ed.) Citation

NELSON. SUDAN: A Country Study. 3rd edition. United States Government, 1983.

Warning: These citations may not always be 100% accurate.