APA (7th ed.) Citation

Sumner, W. G. (1963). Social Darwinism: Selected essays. Prentice-Hall.

Chicago Style (17th ed.) Citation

Sumner, William Graham. Social Darwinism: Selected Essays. Englewood Cliffs, N.J.: Prentice-Hall, 1963.

MLA (9th ed.) Citation

Sumner, William Graham. Social Darwinism: Selected Essays. Prentice-Hall, 1963.