APA (7th ed.) Zitazioa

Geach, P. T. (1977). Providence and Evil: The Stanton lectures. C.U.Pr.

Chicago Style (17th ed.) Zitazioa

Geach, Peter Thomas. Providence and Evil: The Stanton Lectures. Cambridge: C.U.Pr, 1977.

MLA (9th ed.) Zitazioa

Geach, Peter Thomas. Providence and Evil: The Stanton Lectures. C.U.Pr, 1977.