Citazione Stile APA (7a Edizione)

Ruggiero, V. R. (1992). Thinking critically about ethical issues (3rd ed.). Mayfield.

Citazione stile Chigago Style (17a edizione)

Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 3rd ed. Mountain View, Calif.: Mayfield, 1992.

Citatione MLA (8a ed.)

Ruggiero, Vincent Ryan. Thinking Critically About Ethical Issues. 3rd ed. Mayfield, 1992.