Παραπομπή σε μορφή APA (7η εκδ.)

Frede, M., Sedley, D. L., & Long, A. A. (2011). A free will: Origins of the notion in ancient thought. University of California Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Frede, Michael, David Louis Sedley, και A. A. Long. A Free Will: Origins of the Notion in Ancient Thought. Berkeley: University of California Press, 2011.

Παραπομπή σε μορφή MLA (8th εκδ.)

Frede, Michael, et al. A Free Will: Origins of the Notion in Ancient Thought. University of California Press, 2011.