APA (7th ed.) Citation

Roberts, T. D. (1972). Area handbook for Liberia. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Roberts, Thomas Duval. Area Handbook for Liberia. U.S. Government Printing Office, 1972.

MLA (9th ed.) Citation

Roberts, Thomas Duval. Area Handbook for Liberia. U.S. Government Printing Office, 1972.

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