Citazione Stile APA (7a Edizione)

Allen, R. G. (1986). Creating wealth (Rev. and updated, Rev. Fireside ed.). Simon & Schuster.

Citazione stile Chigago Style (17a edizione)

Allen, Robert G. Creating Wealth. Rev. and updated, Rev. Fireside ed. New York: Simon & Schuster, 1986.

Citatione MLA (9a ed.)

Allen, Robert G. Creating Wealth. Rev. and updated, Rev. Fireside ed. Simon & Schuster, 1986.