Cita APA (7th ed.)

Freedman, B., & Freedman, N. (2002). The search for joyful (Berkley hardcover edition.). Berkley Books.

Cita Chicago (17th ed.)

Freedman, Benedict, i Nancy Freedman. The Search for Joyful. Berkley hardcover edition. New York: Berkley Books, 2002.

Cita MLA (9th ed.)

Freedman, Benedict, i Nancy Freedman. The Search for Joyful. Berkley hardcover edition. Berkley Books, 2002.