Cita APA (7th ed.)

Abelson, R. (1987). Ethics for modern life (3ª ed.). St.Martin's Press.

Cita Chicago (17th ed.)

Abelson, Raziel. Ethics for Modern Life. 3ª ed. St.Martin's Press, 1987.

Cita MLA (9th ed.)

Abelson, Raziel. Ethics for Modern Life. 3ª ed. St.Martin's Press, 1987.