APA (7th ed.) Citation

Butler, S. (1920). Luck, or cunning, as the main means of organic modification?: (An attempt to throw additional light upon Darwin's theory of natural selection ((2d ed., re-set.). Cape.

Chicago Style (17th ed.) Citation

Butler, Samuel. Luck, or Cunning, as the Main Means of Organic Modification?: (An Attempt to Throw Additional Light upon Darwin's Theory of Natural Selection. (2d ed., re-set. London: Cape, 1920.

MLA (9th ed.) Citation

Butler, Samuel. Luck, or Cunning, as the Main Means of Organic Modification?: (An Attempt to Throw Additional Light upon Darwin's Theory of Natural Selection. (2d ed., re-set. Cape, 1920.