Cita APA (7th ed.)

Knudsen, R. B. (1976). New models for creative giving. Association press.

Cita Chicago (17th ed.)

Knudsen, Raymond B. New Models for Creative Giving. New York: Association press, 1976.

Cita MLA (9th ed.)

Knudsen, Raymond B. New Models for Creative Giving. Association press, 1976.

Atenció: Aquestes cites poden no estar 100% correctes.