ebrary, Inc, & Waterfield, R. (2000). The first philosophers: The presocratics and sophists. Oxford University Press.
Chicago Style (17th ed.) Citationebrary, Inc, and Robin Waterfield. The First Philosophers: The Presocratics and Sophists. Oxford ; New York: Oxford University Press, 2000.
MLA (9th ed.) Citationebrary, Inc, and Robin Waterfield. The First Philosophers: The Presocratics and Sophists. Oxford University Press, 2000.
Warning: These citations may not always be 100% accurate.