Cita APA (7a ed.)

Hofstadter, R., & Foner, E. (1983). Social Darwinism in American thought. Beacon Press.

Cita Chicago Style (17a ed.)

Hofstadter, Richard, y Eric Foner. Social Darwinism in American Thought. Boston: Beacon Press, 1983.

Cita MLA (9a ed.)

Hofstadter, Richard, y Eric Foner. Social Darwinism in American Thought. Beacon Press, 1983.