APA (7e ed.) Bronvermelding

Frede, M., Long, A. A., & Sedley, D. (2011). A free will: Origins of the notion in ancient thought / by Michael Frede. Edited by A. A. Long. With a foreword by David Sedley. Univ. of California Press.

Chicago (17e ed.) Bronvermelding

Frede, Michael, Anthony A. Long, en David Sedley. A Free Will: Origins of the Notion in Ancient Thought / by Michael Frede. Edited by A. A. Long. With a Foreword by David Sedley. Berkeley [u.a.]: Univ. of California Press, 2011.

MLA (8e ed.) Bronvermelding

Frede, Michael, et al. A Free Will: Origins of the Notion in Ancient Thought / by Michael Frede. Edited by A. A. Long. With a Foreword by David Sedley. Univ. of California Press, 2011.