Nathan, P. (1955). Retreat from reason: An essay on the intellectual life of our time. Heinemann.
Chicago-referens (17:e uppl.)Nathan, Peter. Retreat from Reason: An Essay on the Intellectual Life of Our Time. Melbourne: Heinemann, 1955.
MLA-referens (8:e uppl.)Nathan, Peter. Retreat from Reason: An Essay on the Intellectual Life of Our Time. Heinemann, 1955.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.