Cita APA (7th ed.)

Ribes, B. (1978). Biology and ethics: Reflections inspired by a Unesco symposium. United Nations Educational Scientific and Cultural Organization.

Cita Chicago (17th ed.)

Ribes, Bruno. Biology and Ethics: Reflections Inspired by a Unesco Symposium. Paris: United Nations Educational Scientific and Cultural Organization, 1978.

Cita MLA (9th ed.)

Ribes, Bruno. Biology and Ethics: Reflections Inspired by a Unesco Symposium. United Nations Educational Scientific and Cultural Organization, 1978.