Cita APA

Winfrey, O. (2014). What I Know For Sure. Macmillan.

Citación estilo Chicago

Winfrey, Oprah. What I Know For Sure. UK: Macmillan, 2014.

Cita MLA

Winfrey, Oprah. What I Know For Sure. Macmillan, 2014.

Warning: These citations may not always be 100% accurate.