APA (7th ed.) Citation

Cole, G. D. H. (1944). A century of co-operation. Allen & Unwin.

Chicago Style (17th ed.) Citation

Cole, George D. H. A Century of Co-operation. London: Allen & Unwin, 1944.

MLA (9th ed.) Citation

Cole, George D. H. A Century of Co-operation. Allen & Unwin, 1944.