Cita APA (7a ed.)

Deely, J. (2001). Four ages of understanding: The first postmodern survey of philosophy from ancient times to the turn of the twenty-first century. University of Toronto Press.

Cita Chicago Style (17a ed.)

Deely, John. Four Ages of Understanding: The First Postmodern Survey of Philosophy from Ancient Times to the Turn of the Twenty-first Century. Toronto: University of Toronto Press, 2001.

Cita MLA (9a ed.)

Deely, John. Four Ages of Understanding: The First Postmodern Survey of Philosophy from Ancient Times to the Turn of the Twenty-first Century. University of Toronto Press, 2001.