Cita APA (7th ed.)

Cahn, S. M. (1971). A new introduction to philosophy. Harper and Row.

Cita Chicago (17th ed.)

Cahn, Steven M. A New Introduction to Philosophy. New York: Harper and Row, 1971.

Cita MLA (9th ed.)

Cahn, Steven M. A New Introduction to Philosophy. Harper and Row, 1971.