Cita APA (7th ed.)

Miller, E. L. (1987). Questions that matter: An invitation to philosophy (2nd.ed.). MCGraw-Hill.

Cita Chicago (17th ed.)

Miller, ED L. Questions That Matter: An Invitation to Philosophy. 2nd.ed. New York: MCGraw-Hill, 1987.

Cita MLA (9th ed.)

Miller, ED L. Questions That Matter: An Invitation to Philosophy. 2nd.ed. MCGraw-Hill, 1987.