Horkheimer, M. (1947). Eclipse of reason. Oxford Univ. Press.
Lua i Stíl Chicago (17ú heag.)Horkheimer, Max. Eclipse of Reason. New York: Oxford Univ. Press, 1947.
Lua MLA (8ú heag.)Horkheimer, Max. Eclipse of Reason. Oxford Univ. Press, 1947.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.