APA (7th ed.) Citation

Headley, F. W. (1910). Darwinism and modern socialism (2nd ed.). Methuen.

Chicago Style (17th ed.) Citation

Headley, F. W. Darwinism and Modern Socialism. 2nd ed. London: Methuen, 1910.

MLA (8th ed.) Citation

Headley, F. W. Darwinism and Modern Socialism. 2nd ed. Methuen, 1910.

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