APA
Laurence Urdang Associates, Speake, Mitchell & Flew A. (19851979). A dictionary of philosophy. London: The Macmillan Press Ltd.
Chicago
Laurence Urdang Associates, Speake, Mitchell and Flew Antony. 19851979. A dictionary of philosophy. London: The Macmillan Press Ltd.
Harvard
Laurence Urdang Associates, Speake, Mitchell and Flew A. (19851979). A dictionary of philosophy. London: The Macmillan Press Ltd.
MLA
Laurence Urdang Associates, Speake, Mitchell and Flew Antony. A dictionary of philosophy. London: The Macmillan Press Ltd. 19851979.