APA aipamena

Hofstadter, R. (1965). Social darwinism in American thought. Boston: Beacon Press.

Chicago Style aipamena

Hofstadter, Richard. Social Darwinism in American Thought. Boston: Beacon Press, 1965.

MLA aipamena

Hofstadter, Richard. Social Darwinism in American Thought. Boston: Beacon Press, 1965.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.