Cita APA (7a ed.)

Flew, A. (1980). Philosophy, an introduction (1st American ed.). Prometheus Books.

Cita Chicago Style (17a ed.)

Flew, Antony. Philosophy, an Introduction. 1st American ed. Buffalo, New York: Prometheus Books, 1980.

Cita MLA (8a ed.)

Flew, Antony. Philosophy, an Introduction. 1st American ed. Prometheus Books, 1980.