APA (7th ed.) Zitazioa

Schwab, C. (2001). You're fifty-- now what?: Investing for the second half of your life (First edition.). Crown Business.

Chicago Style (17th ed.) Zitazioa

Schwab, Charles. You're Fifty-- Now What?: Investing for the Second Half of Your Life. First edition. New York: Crown Business, 2001.

MLA (9th ed.) Zitazioa

Schwab, Charles. You're Fifty-- Now What?: Investing for the Second Half of Your Life. First edition. Crown Business, 2001.