Cita APA (7a ed.)

Hill, N. (2012). Think and grow rich (1937.). Duke Classics.

Cita Chicago Style (17a ed.)

Hill, Napoleon. Think and Grow Rich. 1937. Cleveland: Duke Classics, 2012.

Cita MLA (8a ed.)

Hill, Napoleon. Think and Grow Rich. 1937. Duke Classics, 2012.

Precaución: Estas citas no son 100% exactas.