APA način citiranja (7. izdanje)
Webster, J. (1998). Barth's moral theology: Human action in Barth's thought. W.B. Eerdmans.
Čikaški stil citiranja (17. izdanje)
Webster, John. Barth's Moral Theology: Human Action in Barth's Thought. Grand Rapids: W.B. Eerdmans, 1998.
MLA način citiranja (9. izdanje)
Webster, John. Barth's Moral Theology: Human Action in Barth's Thought. W.B. Eerdmans, 1998.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.