@book{30552,
	author = {Sidgwick, Henry, and Widgery, Alban G.},
	title = {Outlines of the history of ethics :},
	publisher = {Macmillan,},
	year = {1931. [Reprinted 1960, 1967]},
	series = {Macmillan's manuals for students},
	address = {London :},
	edition = {6th ed. (enlarged)},
	note = {Based on an article contributed to the "Encyclopaedia britannica."}
}