APA način citiranja (7. izdanje)

Thomas, G. (1993). An introduction to ethics: Five central problems of moral judgement. G. Duckworth.

Čikaški stil citiranja (17. izdanje)

Thomas, Geoffrey. An Introduction to Ethics: Five Central Problems of Moral Judgement. London: G. Duckworth, 1993.

MLA način citiranja (9. izdanje)

Thomas, Geoffrey. An Introduction to Ethics: Five Central Problems of Moral Judgement. G. Duckworth, 1993.