APA (7th ed.) Citation

Cole, G. D. H. (1938). Socialism in evolution. Penguin Books limited.

Chicago Style (17th ed.) Citation

Cole, G. D. H. Socialism in Evolution. Harmondsworth, Middlesex, Eng.: Penguin Books limited, 1938.

MLA (9th ed.) Citation

Cole, G. D. H. Socialism in Evolution. Penguin Books limited, 1938.