Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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