APA (7th ed.) Citation

Spencer, W., & Rivers-Smith, S. (1949). Progress and conquest. Oxford.

Chicago Style (17th ed.) Citation

Spencer, W.K, and S. Rivers-Smith. Progress and Conquest. Oxford, 1949.

MLA (8th ed.) Citation

Spencer, W.K, and S. Rivers-Smith. Progress and Conquest. Oxford, 1949.

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