APA (7th ed.) Citation

Lewis, S. (1971). Principles of cultural co-operation. Unesco.

Chicago Style (17th ed.) Citation

Lewis, Sulwyn. Principles of Cultural Co-operation. Paris: Unesco, 1971.

MLA (9th ed.) Citation

Lewis, Sulwyn. Principles of Cultural Co-operation. Unesco, 1971.

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