@book{31532,
	author = {Zeller, Eduard, and Nestle, Wilhelm},
	title = {Outlines of the history of Greek philosophy /},
	publisher = {The Humanities Press,},
	year = {1931 [Reprinted 1955,1969]},
	series = {Meridian books,},
	address = {New York :},
	edition = {13th ed., rev.},
	url = {http://catalog.hathitrust.org/api/volumes/oclc/929176.html}
}