Cita APA (7a ed.)

Hofstadter, R. (1992). Social darwinism in American thought. Beacon.

Cita Chicago Style (17a ed.)

Hofstadter, Richard. Social Darwinism in American Thought. Boston: Beacon, 1992.

Cita MLA (9a ed.)

Hofstadter, Richard. Social Darwinism in American Thought. Beacon, 1992.