Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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