APA Style
Gilson, Etienne. (1989).
History of Christian Philosophy in the Middle Ages .
London:
Sheed and Ward.
Chicago Style
Gilson, Etienne.
History of Christian Philosophy in the Middle Ages.
London:
Sheed and Ward,
1989.
Text.
MLA Style
Gilson, Etienne.
History of Christian Philosophy in the Middle Ages.
London:
Sheed and Ward,
1989.
Text.
Turabian Style
Gilson, Etienne.
History of Christian Philosophy in the Middle Ages.
London:
Sheed and Ward,
1989.
Print.