Citazione Stile APA (7a Edizione)

Hill, N. (1960). Think and grow rich. Fawcett Crest.

Citazione stile Chigago Style (17a edizione)

Hill, Napoleon. Think and Grow Rich. New York: Fawcett Crest, 1960.

Citatione MLA (9a ed.)

Hill, Napoleon. Think and Grow Rich. Fawcett Crest, 1960.