Toynbee, A. J., & Somervell, D. C. (1947). A study of history.
Chicago Style (17th ed.) CitationToynbee, Arnold J., and David Churchill Somervell. A Study of History. 1947.
MLA (8th ed.) CitationToynbee, Arnold J., and David Churchill Somervell. A Study of History. 1947.
Warning: These citations may not always be 100% accurate.