APA (7e ed.) Bronvermelding
Frede, M., & Long, A. A. (2011). A free will: Origins of the notion in ancient thought. University of California Press.
Chicago (17e ed.) Bronvermelding
Frede, Michael, en A. A. Long. A Free Will: Origins of the Notion in Ancient Thought. Berkeley: University of California Press, 2011.
MLA (9e ed.) Bronvermelding
Frede, Michael, en A. A. Long. A Free Will: Origins of the Notion in Ancient Thought. University of California Press, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.