Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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