APA (7th ed.) Citation

Cole, G. D. H., & Cole, M. Communism and social democracy, 1914-1931. Macmillan (London).

Chicago Style (17th ed.) Citation

Cole, George Douglas Howard, and Margaret Cole. Communism and Social Democracy, 1914-1931. Macmillan (London).

MLA (8th ed.) Citation

Cole, George Douglas Howard, and Margaret Cole. Communism and Social Democracy, 1914-1931. Macmillan (London).

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